scholarly journals Methods for the Modification and Evaluation of Cereal Proteins for the Substitution of Wheat Gluten in Dough Systems

Foods ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 118
Author(s):  
Javier Espinoza-Herrera ◽  
Luz María Martínez ◽  
Sergio O. Serna-Saldívar ◽  
Cristina Chuck-Hernández

The substitution of wheat gluten in the food industry is a relevant research area because the only known treatment for celiac disease is abstinence from this protein complex. The use of gluten-free cereals in dough systems has demonstrated that the viscoelastic properties of gluten cannot be achieved without the modification of the protein fraction. The quality of the final product is determined by the ability of the modification to form a matrix similar to that of gluten and to reach this, different methods have been proposed and tested. These procedures can be classified into four main types: chemical, enzymatic, physical, and genetic. This article provides a comprehensive review of the most recent research done in protein modification of cereal and pseudocereals for gluten substitution. The reported effects and methodologies for studying the changes made with each type of modification are described; also, some opportunity areas for future works regarding the study of the effect of protein modifications on gluten-free products are presented.

2021 ◽  
Vol 17 (S1) ◽  
pp. 37-44
Author(s):  
Anikó Kovács ◽  
Raul Kolinka ◽  
Györgyné Kóczán ◽  
Zoltán Kókai

AbstractThe population of gluten sensitive people has been gradually rising in the last decades. The food industry, especially the bakery industry has to develop more gluten-free products to satisfy the consumer's demand. However, the quality of these products differs from the quality attributes of a standard glutenious bakery product. Therefore, the aim of our research was to develop a good quality gluten-free sourdough product with 3 different gluten-free flours: millet, brown rice and a commercially available mixture (Belbake). We investigated the differences in moisture content, the baking loss, the texture and the sensory properties of the products. According to our results in the case of the moisture content the brown rice sample had the highest, while the millet gave the lowest value. The baking loss measurement gave reverse results. In the texture analysis the brown rice sample was the softest, but the millet and the Belbake had better results in resilience and in springiness. Also, in the sensory analyses the Belbake product was found to be the best by the judges, however, there were no significant differences between them. In conclusion, the product development of a gluten-free sourdough bakery product was successful. Further research is needed to investigate the shelf life of the products.


Author(s):  
Chandralekha ◽  
Amar Sankar ◽  
R.C. Chandni ◽  
A. V. Raghu

The present article review about gluten its health effects and development of gluten free foods. Celiac disease is the main disease caused due to gluten indigestibility. Wheat is the main constituent in the production of bakery products and gluten is the main protein in the wheat. It has been well recognized that the only effective treatment for celiac disease is a persistent life-long avoidance of food products containing wheat and similar cereal grains. At present, there is still substantial demand for gluten-free products that meet consumer needs in terms of sensory quality, conveniences and price values. Wheat (Gluten) is the main component for quality of the bakery products. Gluten free foods are produced by the gluten free sources. The gluten free sources selected should have same characteristics as gluten and should have same effect as gluten on quality of the bread.


Nutrients ◽  
2018 ◽  
Vol 10 (10) ◽  
pp. 1410 ◽  
Author(s):  
Dalia El Khoury ◽  
Skye Balfour-Ducharme ◽  
Iris J. Joye

Consumers, food manufacturers and health professionals are uniquely influenced by the growing popularity of the gluten-free diet. Consumer expectations have urged the food industry to continuously adjust and improve the formulations and processing techniques used in gluten-free product manufacturing. Health experts have been interested in the nutritional adequacy of the diet, as well as its effectiveness in managing gluten-related disorders and other conditions. In this review, we aim to provide a clear picture of the current motivations behind the use of gluten-free diets, as well as the technological and nutritional challenges of the diet as a whole. Alternative starches and flours, hydrocolloids, and fiber sources were found to play a complex role in mimicking the functional and sensory effects of gluten in gluten-free products. However, the quality of gluten-free alternatives is often still inferior to the gluten-containing products. Furthermore, the gluten-free diet has demonstrated benefits in managing some gluten-related disorders, though nutritional imbalances have been reported. As there is limited evidence supporting the use of the gluten-free diet beyond its role in managing gluten-related disorders, consumers are urged to be mindful of the sensorial limitations and nutritional inadequacies of the diet despite ongoing strategies to improve them.


2021 ◽  
Vol 854 (1) ◽  
pp. 012047
Author(s):  
E V Kryuchenko ◽  
I M Chernukha ◽  
Yu A Kuzlyakina ◽  
V S Zamula

Abstract Over the past decade, there has been an increase in the prevalence of gluten intolerance. Since wheat protein is widely used in the food industry, in particular in the meat industry, consumers prone to gluten intolerance should be aware of its presence in food products through the information on the label. Often, however, unintentional contamination of gluten-free products occurs. The aim of this study was to study the prevalence and level of gluten contamination of meat products and gluten-free flour used for the production of Russian-made meat products, which do not contain ingredients containing gluten. To determine gluten, PCR and ELISA methods were used. In four of the nine tested samples, gluten was found at a level exceeding 20 mg/kg.


2020 ◽  
Vol 10 (5) ◽  
pp. 6565-6576 ◽  

Gluten is common term refered to proteins found in wheat and related grains which is responsible for elasticity of dough and chewy texture of final product. But gluten causes problems to patients suffering from celiac diseases hence gluten free diet is the only existing treatment for celiac disease today. This study was conducted with an objective to create a dough system composed of pearl millet and flaxseed proteins that would be able to reproduce the same rheological and textural properties as wheat gluten in cookie making. A dough mixture comprising of pearl millet and flaxseed were used to prepare gluten free cookies. Psyllium husk was used to provide gelling property to the gluten free dough. Different dough samples with varying concentrations of flaxseed flour (i.e. 15g, 17g, 20g, and 22.5g) were prepared and thus optimized by rheological testing of dough samples. The cookies formulated from different dough samples with varying flaxseed concentrations were tested for rheological properties and texture profile analysis of the formulations was done. This study indicated that it is feasible to develop gluten free cookies as a commercial snack towards the fast and emerging need of gluten free products for the patients suffering from celiac disease.


2017 ◽  
Vol 2 (3) ◽  
pp. 24
Author(s):  
Nazeer El-Bialee ◽  
AbdelGawad Mohammed Saad ◽  
Mohamed Ibrahim El-Didamony ◽  
Gamal Zahran

Gluten free products remain the cornerstone for celiac patients. Insufficiency, poverty and little offered about gluten free products (quality and quantity) represented a high obstacle for Egyptian celiac patients. Therefore, the purpose of this research is to modify a single screw extruder to produce gluten–free pasta (GFP) (tagliatelle type). The GFP was made from corn flour under screw rotation speed (N) of 10, 25 and 50 rpm at 40, 65, 90 and 115 ºC of barrel temperature (BT). Extruder performance was evaluated as specific mechanical energy (SME) and expansion ratio (Er). The cooking quality of GFP as optimum cooking time (OCT), cooked yield (CY), swelling (Sw), cooking losses (CL) and sensory characteristics (appearance, colour, taste, mouth feel and overall acceptability) were evaluated. The better results of the GFP sensory evaluation were obtained at BT= 80 ºC, N =25 rpm and Er ≈ 1.38 with OCT ≈ 3.3 min, CY= 196%, Sw = 210% and CL= 16.3%. All parameters were given a direct proportion with processing variables N and BT, except CL. Furthermore, it can be predicted cooking properties values for GFP by SME value using the following equation; SME » 1.8675 (Er) + 0.8037 » 0.0608 (OCT)1.5984  » 8×10-17 (CY)6.7878 » 2×10-9 (Sw)3.494  » -0.0306 (CL) + 0.7877.


2018 ◽  
Vol 6 (1) ◽  
pp. 54-61 ◽  
Author(s):  
Viktorija Stamatovska ◽  
Gjore Nakov ◽  
Zora Uzunoska ◽  
Tatjana Kalevska ◽  
Marija Menkinoska

Pseudocereals and cereals are plant materials that have similar final uses as flours for bakery products. However, these plants are different botanically, as pseudocereals they are broadleaf plants, whereas as cereals they are grasses. The use of pseudocereals is of great nutritional interest because of their composition. Besides the high starch content, pseudocereals contain dietary fibre, good quality protein, vitamins, minerals, lipids rich in unsaturated fatty acids and other phytochemicals such as saponins, phytosterols, squalene, fagopyritols and polyphenols. This composition describes their potential as supplements or common cereal replacers. Because their content of gluten is low or there is no content of gluten, pseudocereals can be considered as gluten-free products, which can be incorporated in diets for coeliac disease. The incorporation of these seeds in the diets of coeliac patients should help alleviate the deficit in fibre intake. Their applicability in foods includes bread, biscuits, cakes and pasta which are mostly consumed. The three main species referring to pseudocereals are amaranth, quinoa and buckwheat. The aim of this study is to provide their applications in food products.


2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Morad Guennouni ◽  
Noureddine El Khoudri ◽  
Aicha Bourrouhouate ◽  
Abderraouf Hilali

PurposeThe prevalence of celiac disease is increasing alarmingly. The only and effective treatment for this disease is a strict gluten-free diet Efforts have been made by industrialists to produce gluten-free products (GFPs); however, their low availability and high cost, compared to gluten-containing products (GCPs) still remain among the factors that cause gluten-free adherence failure. The objective of this survey is to compare the availability and cost of GFPs in supermarkets in two Moroccan cities, Marrakech and Casablanca, and on e-commerce platforms and see how they compare to GCPs.Design/methodology/approachThis is a cross-sectional study that targets supermarkets and e-commerce websites that sell GFPs food and their GCPs equivalents. The price of each product is recorded per 100 g.FindingsThe study surveys 271 GFPs and their 579 GCPs equivalents that were subsequently divided into six categories. The “GF Cookie and Cakes” category came on top of the list of products. GFPs were more available on e-commerce websites than at supermarkets in two Moroccan cities (p = 0.003). The GFPs are 364% (115–1309%) more expensive than their GCPs counterparts. Also, the authors recorded a significant price difference between GFPs sold in supermarkets and those sold on online.Originality/valueThis study reveals that labeled GFPs are less available and more expensive than their equivalents GCPs in Morocco. This affects GF diet adherence and quality of life of celiac patients. The patients who use GFPs need financial compensation from the national government.


2019 ◽  
Vol 19 (2) ◽  
pp. 116-120 ◽  
Author(s):  
Maria Isabel Martínez-Martinez ◽  
Antoni Alegre-Martínez ◽  
Jessica García-Ibánez ◽  
Omar Cauli

Background and Objective: Coeliac disease (CD) is a chronic autoimmune intestinal disorder characterized by intolerance to gluten, a protein contained in certain cereals. The main physiopathological basis of CD is the progressive destruction of intestinal villi caused by gluten ingestion by genetically-susceptible individuals. Patients who receive a diagnosis of CD must make significant changes to their daily habits and this can affect their quality of life. The objective of this review is to summarize the evidence regarding the economic, physical and social limitations which can affect the quality of life in patients with CD. Results: Different factors such as physical changes, psychological effects, interpersonal relationships, emotions and economic difficulties can affect the quality of life of these patients. Observations suggest that, in general, women with CD experience a greater deterioration in their quality of life than men. Lastly, complications in daily life are also associated with the reduced availability of gluten-free products which also usually cost more than standard products. </P><P> Conclusions: Continuous health education and care regarding socio-economic issues should be continuously developed and provided to people with CD.


PEDIATRICS ◽  
2018 ◽  
Vol 142 (2) ◽  
pp. e20180525 ◽  
Author(s):  
Charlene Elliott

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