Chemical Composition and Storage Stability of Crunchy Snacks Produced from Corn, Red Kidney Beans and Onion Flour

Research Article

Chemical Composition and Storage Stability of Crunchy Snacks Produced from Corn, Red Kidney Beans and Onion Flour

  • Adegbanke, O. R 1*
  • Ajewole, O. E 1
  • Aduewa T. O 2
  • Fatounde, S. A 3
  • Adelusi I. S 4

*Corresponding Author: Adegbanke, O. R., Department of Food Science and Technology, Federal University of Technology, Akure, Ondo State, PMB 704, Nigeria.

Citation: Adegbanke, O. R, Ajewole, E.1, Aduewa T, Fatounde, S. A and Adelusi I. S, (2024), Chemical Composition and Storage Stability of Crunchy Snacks Produced from Corn, Red Kidney Beans and Onion Flour, J. Nutrition and Food Processing, 7(12); DOI:10.31579/2637-8914/235

Copyright: © 2024, Aman Getiso -Ardila. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Received: 06 August 2024 | Accepted: 09 September 2024 | Published: 25 September 2024

Keywords: corn; onions; red kidney beans; crunchy snacks; flour; storage

Abstract

Corn flour is a very important ingredients in producing crunchy snacks. However, the use of other plant sources to supplement corn flour in producing crunchy snacks is not uncommon. This study thus investigated the chemical composition and storage stability of crunchy snack produced from corn, red kidney beans and onion flour. Three samples EOD: Corn: Red Kidney Bean: Onion (70:25:5%); XYZ: Corn: Red Kidney Bean: Onion (70:20:10%); FAV: Corn: Red Kidney Bean: Onion (70:15:15%) and a control ABC: Oyato crunchy snack, were analysed for proximate, mineral, free fatty acid (FFA), thiobarbituric acid (TBA), saponification value (SV), peroxide value (PV), Microbial population and Sensory properties. Proximate Composition; moisture content ranged from 4.03 - 15.33% and crude protein content ranged from 3.33 – 9.52% among the samples. Mineral Composition; P, Ca, Na and Cd ranged between, 31.52 – 51.63 mg/100g, 3.57-4.53 mg/100g, 181.80-314.40 mg/100g, and not detected respectively for the samples. FFA had first month 2.45 – 5.33% and second month 3.14 – 5.33%. Storage stability; TBA first month had 0.18 to 0.51 mgMDA/Kg and second month 1.67 – 2.36 mgMDA/Kg; SV first month had 7.04 - 68.85 mgKOH/g and second month 7.65 to 103.70 mgKOH/g; PV first month had 3.50 to 20.00 meq/Kg and second month 8.50 to 21.50 meq/Kg. The microbial population was relatively low and within safe limits, total viable and fungi count 1.5-7.0×102 Cfu/g and 2.5-9×102 cfu/g after the first month respectively; total viable and fungi count 9.0-45×102 cfu/g and 5.0-25×102 cfu/g after second month respectively. There were no significant differences (p< 0.05) in the crunchiness, mouthfeel and overall acceptability of formulated crunchy snack samples and the commercial crunchy snack. The crunchy snacks investigated in this study has a good sensory evaluation and storage stability.

1.Introduction

Corn (Zea mays L.) is an important annual cereal crop of the world belonging to family Poaceae. The word “maize” is best described using Spanish connotation “maiz” (Shah et al., 2016). Corn is one of the major food sources in the world (Adiaha, 2018). Compared to wheat and rice, corn is a more versatile multi-purpose crop (Erenstein et al., 2022) which contains significant amounts of bioactive compounds with desirable health benefits beyond its role as a staple food (Sheng et al., 2018). Corn flour is very important in producing crunchy snacks.

Most snacks such as cookies are low in protein and if present it’s often of poor nutritional quality (Adegbanke et al., 2019). In sub-Saharan Africa, the use of other plant sources to supplement corn flour in producing crunchy snacks is not uncommon due to lack of protein and essential nutrients in diet of many households especially among the rural poor (Ojuederie et al., 2020). Examples of these plant based supplements are red kidney beans and onion flours. Also, the low purchasing power in getting animal source protein has promoted the use of plant protein sources to supplement crunchy snacks.

Red kidney beans (Phaseolus vulgaris L.) are a variety of the common bean (P. vulgaris), so named because of its kidney-like shape and its colour. It is a major legume cultivated in parts of East Asia including Indonesia and consumed for its edible seeds and pods over the world (Sutedja et al., 2020). According to Rawal and Navarro (2019) about 12 million tonnes of Red Kidney Beans are produced globally per annum which contains numerous bioactive compounds and some nutritional components, such as proteins, resistant starch, dietary fibre, and fat (Ibeabuchi et al., 2017). The seed coat of red kidney beans is red, which indicates that it may be a good source of polyphenols as coloured beans are often found to contain polyphenols (Sutedja et al., 2020). It is an important tropical legumes used to enhance the protein content in diet of low and medium income earners who cannot afford protein from conventional animal source because of their high prices in Nigeria (Inyang et al., 2018). Red kidney beans have extraordinary health benefits due to high quantities of folic acid, calcium, carbohydrates, fibre and proteins amongst the proper functioning of the body (Noah and Banjo, 2020).

Onion (Allium cepa), also called a bulb onion, common onion and garden onion is the most widely cultivated species of the genus Allium globally (Mehta, 2017). It is cultivated prominently in the northern part of Nigeria. Onion has been evaluated as an excellent source of flavonoids polyphenols and sulphur containing compounds and dietary fibre (Ren and Zhou, 2021). They among the initially cultivated crops of the world probably due to its greater shelf life and portability (Masood et al., 2020) and revered through the ages not only for its culinary uses but also for its therapeutic properties (Bala et al., 2021).

Considering the nutritional and confectionery characteristics of corn flour, together with the nutritional profile of red kidney beans, the incorporation of these two with onion flour - a rich source of bioactive substances promises to be a nutritional combination with great prospects.

2. Materials and Methods

2.1 Source of Materials 

Corn flour, red kidney beans and onion bulbs were purchased from “Erekesan” market in Akure, Ondo State. All reagents used were of analytical grade.

2.2 Sample Preparation

2.2.1 Preparation of red kidney bean flour

The red kidney beans flour was produced with slight modifications according to the method of Bedier et al., (2021). The seeds were thoroughly cleaned, soaked for 24 hours at room temperature (27±2 °C), and the soaked water was drained off. The beans were blanched in hot water (1:5 w/v) at 100 °C for 30 min, drained, washed with fresh water then manually dehulled by hand, drained, oven dried and milled. After milling, it was then sieved through a 425μm mesh screen, packaged in an air tight container, labelled and stored at 4 °C for subsequent use.

2.2.2 Preparation of onion powder

The onion powder was produced with modifications following the method of Watson et al., (2000) and Abiola et al., (2017). The peels were peeled off manually using a sterile knife and the bulbs were chopped further and sun-dried over a period of 60-70 hrs at 40 °C. The dried onions were then grinded into fine powder and kept in an airtight jar till when needed analysis.

2.2.3 Formulation of corn flour with red kidney bean and onion flours

The blending ratios used for the present study are as shown in Table 1. The Oyato crunchy snack served as the control sample (ABC). 

SamplesEODXYZFAV
Corn flour707070
Red Kidney Bean flour252015
Onion flour51015

Table 1: Blending Ratio (%) of Corn Flour with Red Kidney Bean and Onion flours.

2.3 Methods

2.3.1 Proximate composition 

The proximate composition (moisture content, crude fibre, fat, total ash, and crude protein contents) of the dough meal samples were determined as described by AOAC (2012). 

2.3.2 Determination of mineral composition

Mineral composition (Phosphorus, Calcium, Potassium, Lead, Sodium, Cadmium, Manganese, Copper, Iron, and Zinc) were evaluated as described by AOAC (2012). Five grammes (5 g) of each crunchy snack samples were digested with a mixture of nitric and hydrochloric acids (1:1 v/v) and filtered respectively. The filtrate was made up to 5 mL mark in a volumetric flask. Filtered solution was loaded to Atomic Absorption Spectrophotometer, (Buck Scientific Model 210 VGP). The standard curve for each mineral was prepared from known standards and the mineral value of samples estimated against that of the standard curve. Phosphorus was determined using vanado-molybdate method.

2.4 Storage Stability

2.4.1 Determination of Thiobarbituric Acid (TBA)

Thiobarbituric acid of the samples were determined according to Zeb and Ullah (2016).  Sample 5 g was dispersed into 50 mL of distilled water in a distillation flask. 25ml of 4MHcl is added to bring the pH to 1.5 followed by an anti-foam preparation and a few glass beads. The flask was heated by means of an electric mantle and so the 50ml distillate was collected after 10min. 5ml of the distillate was pipetted into a conical flask, and 5ml of TBA reagent was added and heated in a boiling water bath for 35min, and the results were obtained.

2.4.2 Determination of Free Fatty Acid (FFA)

The acid value of the oil was determined using titrimetric method according to Di Pietro et al., (2020). About 5g of oil was taken in 250ml conical flask, and then 25ml of neutral ethyl alcohol was added to it and then boiled in a water bath. About 1- 2 drops of Phenolphthalein indicator solution was added to the mixture and it was titrated against standard potassium hydroxide solution until a pink end point was reached. Acid value was calculated using equation 1;

                                                                                                                    Eqn 1

V = Volume of standard KOH solution in ml

N = Normality of standard KOH solution

W = Weight of oil sample in grammes

2.4.3 Determination of saponification value

The saponification value was determined according to AOAC (2012). One gramme (1 g) of the sample was taken and put in a conical flask to which 25ml of O.5 N alcoholic KOH was added and heated under a reserved condenser for 30-40 min to ensure that the sample was fully dissolved. After the sample was cooled, phenolphthalein was added and titrated against 0.2 N HCl until a pink end point was reached. A blank was also determined with the same conditions. The saponification value was calculated using equation 2; 

                                                                                                                 Eqn 2

                        B = ml of HCl required by blank

                        T = ml of HCl required by oil sample

                        N = Normality of HCl

                        W = Weight of oil in gram

2.4.4  Determination of peroxide value

The Peroxide value (PV) is a measure of the concentration of substances that oxidize potassium iodide to iodine and was carried out according to the method of CTOFs. About 5g of oil samples was dissolved in Acetic acid and chloroform, then saturated Potassium Iodide mixture was added to the sample and the amount of iodine liberated from Potassium Iodide by the oxidative action of peroxides present in the oil was determined by titration with 0.1 N sodium thiosulphate using starch solution as an indicator. Titration was also performed for blanks. The Peroxide Value was calculated using equation 3;

                                                                                                                      Eqn 3

                        S = Volume of sodium thiosulphate consumed by the sample oil

                        B = Volume of sodium thiosulphate used for blank

                        W = Weight of oil sample N = the normality of sodium thiosulphate

2.4.5 Determination of microbial population

The pour plate method of Sanders (2012) was used to determine microbial count of crunchy samples. The pour plate method was used for culture. About 1ml of the sample was taken aseptically with a sterile pipette and transformed carefully into each of the test tubes containing 9ml of cooled sterilized diluent, each samples in different test tubes were mixed thoroughly to ensure dislodgement and even distribution of microorganisms into the suspended sterile water. A two-fold serial dilution of each 1ml homogenate was prepared. Exactly 1.0 ml of dilution factor 10-2 were inoculated into the sterile petri dishes for culturing. Incubation was carried out at 37 °C for 24 h for bacteria growth. Colonies were counted in order to obtain the total viable count using colony counter. Colony counting was carried out visually by counting the number of visible colonies that appeared on the plates.

2.5 Sensory Evaluation

The sensory evaluation was carried out on crunchy snack samples following the method of Adegbanke et al., (2019). The sensory quality attributes were appearance, aroma, texture, taste, and overall acceptability of the four (4) crunchy snack samples were evaluated by a total of twenty (20) untrained panellists from the Federal University of Technology, Akure. The panellists were instructed to score the coded samples based on a 9-point hedonic scale with 1 as disliked extremely and 9 as liked extremely.

2.6 Statistical Analysis

Analyses were carried out in triplicates and data generated were subjected to One-Way Analysis of Variance (ANOVA) using Statistical Package for Social Sciences (SPSS) version 23.0. The means were separated using New Duncan Multiple Range Test (NDMRT) at 95% confidence level (p ≤ 0.05).

3. Results And Discussion

3.1 Proximate Composition of Crunchy Snacks

The proximate composition of crunchy snacks formulated from corn, red kidney beans and onion flour plus a control crunchy snack sample Table 2. The proximate composition shows the amount and distribution of the various major nutrients present in these crunchy snack samples. The ash content which is an indication of the mineral contents ranged from 6.74 to 10.67 g/100g with ABC as the highest and XYZ as the lowest. Thus, the high ash contents in the samples in this present study is an indication of high content of micronutrient which is needed in the body. These values were slightly higher than those reported by Omoba and Alokun-Adesanya (2013) on a ginger spiced maize snack “kokoro”. Crude fat content ranged from 1.91 to 5.06 g/100g with EOD as the lowest and FAV as the highest against the control – ABC at 2.41 g/100g. The fats content reported herein were quite different from the values reported by Omoba and Alokun-Adesanya (2013) on a ginger spiced maize snack “kokoro” with soy powder. This is due to the low fat content of red kidney beans and onions used in this study compared to soy flour. The low fats content observed in these samples may reduce the possibility of deterioration due to rancidity. The moisture content (MC) ranged from 5.92 to 15.33 g/100g across formulated snacks groups, all of which were higher than the control – ABC (4.03 g/100g). EOD had the lowest MC (5.92 g/100g) while FAV had the highest (15.33 g/100g). The increase in MC observed across the group is due to the 5% increase in Onion flour, as it hydroscopic in nature. Samples with lower moisture will have a longer shelf life as higher moisture content promotes deterioration reactions. Likewise, Crude fibre across formulated group was higher than the control group – ABC (14.92 g/100g), ranging from 15.42 to 18.45 g/100g. EOD had the lowest crude fibre (15.42 g/100g) followed by XYZ and FAV in an increasing order. The reduction in crude fibre is due to the reduction in red kidney beans across the group. Hence, an increase or incorporation of red kidney beans into a snack formulation is an increase in expected crude fibre. The crude protein content of the formulated snacks ranged from 5.39 to 9.52 g/100g. The observed increase across FAV to EOD is due to the increase in red kidney beans, as it is a good source of protein. Accordingly, protein content across group was more than that of ABC (3.33 g/100g). The carbohydrate content across formulated snack groups ranged from 46.16 to 57.73 g/100g. The carbohydrate content across formulated snack groups were all lower than that of the control group – ABC (64.64 g/100g).

Sample

Moisture

Content

Crude FibreCrude ProteinAshCrude FatCarbohydrate
EOD5.92c15.42c9.52a9.50bc1.91d57.73b
XYZ10.81b17.71b7.42b6.74d2.98b54.36c
FAV15.33a18.45a5.39c9.60bc5.06a46.16d
ABC4.03d14.92d3.33d10.67a2.41c64.64a

Mean value with the same superscript across the same column are not significantly different (p<0>Keys:EOD: Corn: Red Kidney Bean: Onion (70:25:5%); XYZ: Corn: Red Kidney Bean: Onion (70:20:10%); FAV: Corn: Red Kidney Bean: Onion (70:15:15%); ABC: Oyato crunchy snack

Table 2: Proximate Composition (%) of Crunchy Snacks

3.2 Mineral Composition of Crunchy Snacks

The mineral composition in mg/100g of crunchy snack samples is presented in Table 3. The mineral content of a snacks indicates the amount and type of minerals present. It also checks the presence of toxic elements which may cause the food to be unsafe for consumption. The Phosphorus, Calcium, Potassium, Lead, Sodium, Cadmium, Manganese, Copper, Iron, and Zinc content were examined and the abundant minerals in the crunchy snacks were phosphorus, potassium and sodium. The results showed that the crunchy snack will enhance the release of phosphorus which is a good source of bone forming elements. The phosphorus content ranged from 31.52 – 51.63 mg/100g with ABC as the lowest and FAV as the highest. Calcium ranged from 3.57-4.53 mg/100g. Accordingly, EOD had the lowest calcium content while FAV had the highest content. The potassium content ranged from 78.60 – 118.50 mg/100g. ABC the control sample had the lowest potassium content while EOD had the highest potassium content. Potassium is a major nutrient present which has a good significance because an average human diet is deficient in it (Rouf et al., 2016). The sodium content was rather highest across the analysed mineral elements. The Sodium ranged from 181.80-314.40 mg/100g. The high sodium and potassium content observed may be unfavourable as high sodium is implicated in coronary diseases like high blood pressure. Fortunately, these also acts as electrolytes and are important and useful in maintaining fluid and blood volume.

Cadmium and lead was not detected in all the samples, indicating the absence of this heavy metal in the crunchy snack. The manganese which is an element needed is small quantity ranged from 0.06 – 0.11 mg/100g. FAV had the highest Manganese with 0.16 mg/100g and closely followed by EOD and XYZ at 0.11 mg/100g while the control sample (ABC) had the lowest value with 0.06 mg/100g.

SamplePCaKPbNaCdMnCuFeZn
EOD49.40±0.05bc3.57±0.03cd118.50±0.28aND314.40±0.57aND0.11±0.00bc0.08±0.00bc2.39±0.01b0.18±0.00a
XYZ48.92±0.02bc3.41±0.03cd93.30±0.28cND214.20±0.99bND0.11±0.00bc0.06±0.00d1.01±0.01c0.15±0.00c
FAV51.63±0.01a4.53±0.03ab102.60±0.28bND189.90±0.49cND0.16±0.00a0.08±0.00bc2.82±0.01a0.16±0.00b
ABC31.52±0.01d4.11±0.06ab78.60±0.14dND181.80±1.20dND0.06±0.00d0.29±0.00a0.59±0.00d0.06±0.00d

Values are means ± Standard deviation. Means with different alphabetical superscripts in the same column are significantly different (p ≤ 0.05).

Keys:      EOD: Corn: Red Kidney Bean: Onion (70:25:5%); XYZ: Corn: Red Kidney Bean: Onion (70:20:10%); FAV: Corn: Red Kidney Bean: Onion (70:15:15%); ABC: Oyato crunchy snack, ND: Not detected

Table 3: Mineral Composition (Mg/100g) of Crunchy Snacks

Similarly, copper content ranged from 0.06 – 0.29 mg/100g. EOD and FAV had the same content of copper with 0.08 mg/100g, while XYZ had the lowest copper content and ABC had the highest content. The iron content which is an indication of the blood forming element, is observed to be found in considerably quantity and ranged from 0.59 (ABC) – 2.39 mg/100g (EOD).  Thus, the formulated samples had more iron content than observed in the control samples – ABC. The zinc content which is needed in small quantity ranged from 0.06 – 0.18 mg/100g. ABC the control had the lowest zinc content (0.06 mg/100mg) while EOD had the highest zinc content (0.18 mg/100g). All mineral elements analysed in this study differed significantly (p ≤ 0.05) across samples. The mineral ratio for calcium to phosphorus and sodium to potassium is presented in Table 4.

The Ca/P (0.07 to 0.13) ratio in the present study which is lower than 0.5 is an indication that the formulated samples evaluated are not potential minerals sources for bone formation (Nieman et al., 1992). These Ca/P ratios were lower than those reported by Omoba and Alokun-Adesanya (2013) on a ginger spiced maize snack “kokoro”. The Na/K ratio ranged from 1.85 – 2.65 and was generally higher than 1.0 recommended WHO standard, thus may be implicated in the incidence of cardiovascular diseases. Furthermore, low potassium intake has been associated with an increased risk of high blood pressure and stroke (Khalil et al., 2017).

SampleCa/PNa/K
EOD0.072.65
XYZ0.072.30
FAV0.091.85
ABC0.132.31

Keys:      EOD: Corn: Red Kidney Bean: Onion (70:25:5%); XYZ: Corn: Red Kidney Bean: Onion (70:20:10%); FAV: Corn: Red Kidney Bean: Onion (70:15:15%); ABC: Oyato crunchy snack.

Table 4: Mineral Ratio of Crunchy Snacks

3.3 Storage Stability of Crunchy Snacks

The storage stability of crunchy snacks produced from corn, red kidney beans and onion flours was determined using the oil quality deterioration tests as shown in the thiobarbituric acid, free fatty acid value, saponification value and peroxide value of the samples.

3.3.1 Thiobarbituric acid value of crunchy snacks

Thiobarbituric Acid (TBA) Value of Crunchy Snacks after storage for one and two months respectively is presented in Table 5. The TBA value, which is an index of lipid oxidation and is a measure of malondialdehyde (MDA), a minor component of fatty acids formed upon degradation of the polyunsaturated acids content of oils (Djikeng et al., 2022). It measures hydroperoxides and aldehydic secondary oxidation products of the oils. Oil in good condition has TBA value of 0.02–0.08 MDA/kg (Kirk and Sawyer, 1991; Zeb and Ullah, 2016). It was observed that during storage for the first month TBA ranged from 0.18 to 0.51 mgMDA/Kg. The control (ABC) which is a commercial crunchy snack had the highest TBA number while FAV had the lowest and closely followed by XYZ (0.19 mgMDA/Kg), both of which were not significantly (p<0>

3.3.2  Free fatty acid value of crunchy snacks

The free fatty acid (FFA) value of crunchy snacks after storage for one and two months respectively are presented in Table 6. The FFA value ranged from 2.45 to 5.33

4. Conclusion

This study revealed the proximate composition and storage stability of crunchy snacks produced from corn, red kidney beans and onion flours. The formulated snacks were generally rich in carbohydrate, protein and crude fibre. Furthermore, formulated snacks had moisture content lower than 15% indicating a long shelf life. Accordingly, the findings in this study indicates that the crunchy snacks possess a good storage stability, however, FAV (Corn: Red Kidney Bean: Onion - 70:15:15%) has the potential to deteriorate faster than other formulated samples due to higher values in terms of thiobarbituric acid, free fatty acid, saponification and peroxide values respectively. The microbial population showed the presence of bacteria and fungi, with fungi in higher number. The higher fungi population in the snack samples can be attributed to the low moisture content (4.03 – 15.33%) as fungi thrive in low moisture products. The formulated samples were higher or at par significantly (p<0>

References

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"We recently published an article entitled “Influence of beta-Cyclodextrins upon the Degradation of Carbofuran Derivatives under Alkaline Conditions" in the Journal of “Pesticides and Biofertilizers” to show that the cyclodextrins protect the carbamates increasing their half-life time in the presence of basic conditions This will be very helpful to understand carbofuran behaviour in the analytical, agro-environmental and food areas. We greatly appreciated the interaction with the editor and the editorial team; we were particularly well accompanied during the course of the revision process, since all various steps towards publication were short and without delay".

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Jesus Simal-Gandara

I would like to express my gratitude towards you process of article review and submission. I found this to be very fair and expedient. Your follow up has been excellent. I have many publications in national and international journal and your process has been one of the best so far. Keep up the great work.

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Douglas Miyazaki

We are grateful for this opportunity to provide a glowing recommendation to the Journal of Psychiatry and Psychotherapy. We found that the editorial team were very supportive, helpful, kept us abreast of timelines and over all very professional in nature. The peer review process was rigorous, efficient and constructive that really enhanced our article submission. The experience with this journal remains one of our best ever and we look forward to providing future submissions in the near future.

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Dr Griffith

I am very pleased to serve as EBM of the journal, I hope many years of my experience in stem cells can help the journal from one way or another. As we know, stem cells hold great potential for regenerative medicine, which are mostly used to promote the repair response of diseased, dysfunctional or injured tissue using stem cells or their derivatives. I think Stem Cell Research and Therapeutics International is a great platform to publish and share the understanding towards the biology and translational or clinical application of stem cells.

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Dr Tong Ming Liu

I would like to give my testimony in the support I have got by the peer review process and to support the editorial office where they were of asset to support young author like me to be encouraged to publish their work in your respected journal and globalize and share knowledge across the globe. I really give my great gratitude to your journal and the peer review including the editorial office.

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Husain Taha Radhi

I am delighted to publish our manuscript entitled "A Perspective on Cocaine Induced Stroke - Its Mechanisms and Management" in the Journal of Neuroscience and Neurological Surgery. The peer review process, support from the editorial office, and quality of the journal are excellent. The manuscripts published are of high quality and of excellent scientific value. I recommend this journal very much to colleagues.

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S Munshi

Dr.Tania Muñoz, My experience as researcher and author of a review article in The Journal Clinical Cardiology and Interventions has been very enriching and stimulating. The editorial team is excellent, performs its work with absolute responsibility and delivery. They are proactive, dynamic and receptive to all proposals. Supporting at all times the vast universe of authors who choose them as an option for publication. The team of review specialists, members of the editorial board, are brilliant professionals, with remarkable performance in medical research and scientific methodology. Together they form a frontline team that consolidates the JCCI as a magnificent option for the publication and review of high-level medical articles and broad collective interest. I am honored to be able to share my review article and open to receive all your comments.

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Tania Munoz

“The peer review process of JPMHC is quick and effective. Authors are benefited by good and professional reviewers with huge experience in the field of psychology and mental health. The support from the editorial office is very professional. People to contact to are friendly and happy to help and assist any query authors might have. Quality of the Journal is scientific and publishes ground-breaking research on mental health that is useful for other professionals in the field”.

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George Varvatsoulias

Dear editorial department: On behalf of our team, I hereby certify the reliability and superiority of the International Journal of Clinical Case Reports and Reviews in the peer review process, editorial support, and journal quality. Firstly, the peer review process of the International Journal of Clinical Case Reports and Reviews is rigorous, fair, transparent, fast, and of high quality. The editorial department invites experts from relevant fields as anonymous reviewers to review all submitted manuscripts. These experts have rich academic backgrounds and experience, and can accurately evaluate the academic quality, originality, and suitability of manuscripts. The editorial department is committed to ensuring the rigor of the peer review process, while also making every effort to ensure a fast review cycle to meet the needs of authors and the academic community. Secondly, the editorial team of the International Journal of Clinical Case Reports and Reviews is composed of a group of senior scholars and professionals with rich experience and professional knowledge in related fields. The editorial department is committed to assisting authors in improving their manuscripts, ensuring their academic accuracy, clarity, and completeness. Editors actively collaborate with authors, providing useful suggestions and feedback to promote the improvement and development of the manuscript. We believe that the support of the editorial department is one of the key factors in ensuring the quality of the journal. Finally, the International Journal of Clinical Case Reports and Reviews is renowned for its high- quality articles and strict academic standards. The editorial department is committed to publishing innovative and academically valuable research results to promote the development and progress of related fields. The International Journal of Clinical Case Reports and Reviews is reasonably priced and ensures excellent service and quality ratio, allowing authors to obtain high-level academic publishing opportunities in an affordable manner. I hereby solemnly declare that the International Journal of Clinical Case Reports and Reviews has a high level of credibility and superiority in terms of peer review process, editorial support, reasonable fees, and journal quality. Sincerely, Rui Tao.

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Rui Tao

Clinical Cardiology and Cardiovascular Interventions I testity the covering of the peer review process, support from the editorial office, and quality of the journal.

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Khurram Arshad

Clinical Cardiology and Cardiovascular Interventions, we deeply appreciate the interest shown in our work and its publication. It has been a true pleasure to collaborate with you. The peer review process, as well as the support provided by the editorial office, have been exceptional, and the quality of the journal is very high, which was a determining factor in our decision to publish with you.

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Gomez Barriga Maria Dolores

The peer reviewers process is quick and effective, the supports from editorial office is excellent, the quality of journal is high. I would like to collabroate with Internatioanl journal of Clinical Case Reports and Reviews journal clinically in the future time.

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Lin Shaw Chin

Clinical Cardiology and Cardiovascular Interventions, I would like to express my sincerest gratitude for the trust placed in our team for the publication in your journal. It has been a true pleasure to collaborate with you on this project. I am pleased to inform you that both the peer review process and the attention from the editorial coordination have been excellent. Your team has worked with dedication and professionalism to ensure that your publication meets the highest standards of quality. We are confident that this collaboration will result in mutual success, and we are eager to see the fruits of this shared effort.

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Maria Dolores Gomez Barriga

Dear Dr. Jessica Magne, Editorial Coordinator 0f Clinical Cardiology and Cardiovascular Interventions, I hope this message finds you well. I want to express my utmost gratitude for your excellent work and for the dedication and speed in the publication process of my article titled "Navigating Innovation: Qualitative Insights on Using Technology for Health Education in Acute Coronary Syndrome Patients." I am very satisfied with the peer review process, the support from the editorial office, and the quality of the journal. I hope we can maintain our scientific relationship in the long term.

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Dr Maria Dolores Gomez Barriga

Dear Monica Gissare, - Editorial Coordinator of Nutrition and Food Processing. ¨My testimony with you is truly professional, with a positive response regarding the follow-up of the article and its review, you took into account my qualities and the importance of the topic¨.

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Dr Maria Regina Penchyna Nieto

Dear Dr. Jessica Magne, Editorial Coordinator 0f Clinical Cardiology and Cardiovascular Interventions, The review process for the article “The Handling of Anti-aggregants and Anticoagulants in the Oncologic Heart Patient Submitted to Surgery” was extremely rigorous and detailed. From the initial submission to the final acceptance, the editorial team at the “Journal of Clinical Cardiology and Cardiovascular Interventions” demonstrated a high level of professionalism and dedication. The reviewers provided constructive and detailed feedback, which was essential for improving the quality of our work. Communication was always clear and efficient, ensuring that all our questions were promptly addressed. The quality of the “Journal of Clinical Cardiology and Cardiovascular Interventions” is undeniable. It is a peer-reviewed, open-access publication dedicated exclusively to disseminating high-quality research in the field of clinical cardiology and cardiovascular interventions. The journal's impact factor is currently under evaluation, and it is indexed in reputable databases, which further reinforces its credibility and relevance in the scientific field. I highly recommend this journal to researchers looking for a reputable platform to publish their studies.

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Dr Marcelo Flavio Gomes Jardim Filho

Dear Editorial Coordinator of the Journal of Nutrition and Food Processing! "I would like to thank the Journal of Nutrition and Food Processing for including and publishing my article. The peer review process was very quick, movement and precise. The Editorial Board has done an extremely conscientious job with much help, valuable comments and advices. I find the journal very valuable from a professional point of view, thank you very much for allowing me to be part of it and I would like to participate in the future!”

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Zsuzsanna Bene

Dealing with The Journal of Neurology and Neurological Surgery was very smooth and comprehensive. The office staff took time to address my needs and the response from editors and the office was prompt and fair. I certainly hope to publish with this journal again.Their professionalism is apparent and more than satisfactory. Susan Weiner

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Dr Susan Weiner