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Xu K, Kuang J. Rheological, thermal, and structural properties of heat-induced gluten gel: Effects of starch with varying degrees of debranching. Int J Biol Macromol 2024; 272:132678. [PMID: 38801851 DOI: 10.1016/j.ijbiomac.2024.132678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
This study evaluated the effects of starch with varying degree of debranching on the rheological, thermal, and structural properties of heat-induced gluten gel. As the duration of starch debranching treatment increased from 0 to 8 h, the viscoelasticity of the gel containing debranched starch (DBS) improved. Compared with the gluten gel (G), the gel strength of the G + DBS (8 h) sample increased by 65.2 %. The degradation temperature of gluten was minimally affected by DBS, while the weight loss rate increased by 4.4 %. Furthermore, the α-helical structure of gluten decreased, concomitant with an increase in β-sheet content. Notably, DBS treated for 8 h exhibited more hydrogen bonds with the tyrosine of gluten and triggered disulfide bridge conformation to transition from g-g-g to t-g-g, thereby reducing the stability of the molecular conformation of gluten proteins, as evidenced by the decreased height and width of the molecular chains observed in atomic force microscopy images. Overall, the composite gel structure induced by DBS exhibited a more continuous and homogeneous owing to the improved compatibility between DBS and gluten proteins, favoring the formation of a robust gel. These findings provide valuable insights for utilizing DBS to enhance gluten gel properties.
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Affiliation(s)
- Ke Xu
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai Province 810016, China
| | - Jiwei Kuang
- Academy of Agriculture and Forestry Sciences, Qinghai University, Xining, Qinghai Province 810016, China; Qinghai Tibetan Plateau Key Laboratory of Agricultural Product Processing, Academy of Agriculture and Forestry Sciences, Xining, Qinghai Province 810016, China.
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2
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Büyük Z, Dulger Altiner D. Investigation of antioxidant and sensory properties and in vitro bioaccessibility of low-fat functional cookies substituted with wheat germ flour and coffee silverskin. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:1322-1334. [PMID: 37770412 DOI: 10.1002/jsfa.13013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 09/14/2023] [Accepted: 09/29/2023] [Indexed: 09/30/2023]
Abstract
BACKGROUND This study aimed to produce new functional cookies with high nutritional properties and low calorie content. It investigated the effects of incorporating wheat germ flour (WGF) at levels of 10-30% as a substitute for whole wheat flour (WWF), along with coffee silver skin (CSS) in the same proportions, serving as natural functional additives to substitute for fat in cookie formulations. RESULTS The total phenol content of the cookies with added WGF-CSS ranged from 1813.72 to 1838.45 mg gallic acid equivalent (GAE) per kilogram of dry weight (mg GAE kg-1 ), whereas the total phenolic bioaccessibility values ranged between 53.39 and 56.84%. Of the three methods used to determine antioxidant capacity (AC), the cupric reducing antioxidant capacity (CUPRAC) method gave higher bioaccessibility values (44.55-51.19%) than the 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) radical cation and 2,2-diphenyl-1-picrylhidrazyl (DPPH) scavenging methods. The contribution of WGF-CSS supplemented cookies to the recommended dietary allowances (RDA) (%) of K, P, Mg, and Ca increased depending on the number of cookies consumed and the WGF and CSS ratio. The general acceptability scores of the cookies varied between 5.66 and -7.08, and the 10% WGF cookie (F2) (6.48) sample received the score that was closest to that of the control. Moderately strong positive relationships (r > 0.90, P < 0.05) were detected between the physicochemical and sensory characteristics of the cookies. CONCLUSION As a result, WGF and CSS food additives with high nutritional properties can be recommended as potential enriching ingredients and fat substitutes in the development of new products in the functional food industry. © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Zülal Büyük
- Master's Program of Gastronomy and Culinary Arts, Institute of Social Sciences, University of Kocaeli, İzmit, Turkey
| | - Dilek Dulger Altiner
- Department of Gastronomy and Culinary Arts, Faculty of Tourism, University of Kocaeli, Kartepe, Turkey
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3
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Chen S, Dima C, Kharazmi MS, Yin L, Liu B, Jafari SM, Li Y. The colloid and interface strategies to inhibit lipid digestion for designing low-calorie food. Adv Colloid Interface Sci 2023; 321:103011. [PMID: 37826977 DOI: 10.1016/j.cis.2023.103011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 09/20/2023] [Accepted: 09/27/2023] [Indexed: 10/14/2023]
Abstract
Although fat is one of the indispensable components of food flavor, excessive fat consumption could cause obesity, metabolism syndromes and an imbalance in the intestinal flora. In the pursuit of a healthy diet, designing fat reducing foods by inhibiting lipid digestion and calorie intake is a promising strategy. Altering the gastric emptying rates of lipids as well as acting on the lipase by suppressing the enzymatic activity or limiting lipase diffusion via interfacial modulation can effectively decrease lipolysis rates. In this review, we provide a comprehensive overview of colloid-based strategies that can be employed to retard lipid hydrolysis, including pancreatic lipase inhibitors, emulsion-based interfacial modulation and fat substitutes. Plants-/microorganisms-derived lipase inhibitors bind to catalytic active sites and change the enzymatic conformation to inhibit lipase activity. Introducing oil-in-water Pickering emulsions into the food can effectively delay lipolysis via steric hindrance of interfacial particulates. Regulating stability and physical states of emulsions can also affect the rate of hydrolysis by altering the active hydrolysis surface. 3D network structure assembled by fat substitutes with high viscosity can not only slow down the peristole and obstruct the diffusion of lipase to the oil droplets but also impede the transportation of lipolysis products to epithelial cells for adsorption. Their applications in low-calorie bakery, dairy and meat products were also discussed, emphasizing fat intake reduction, structure and flavor retention and potential health benefits. However, further application of these strategies in large-scale food production still requires more optimization on cost and lipid reducing effects. This review provides a comprehensive review on colloidal approaches, design, principles and applications of fat reducing strategies to meet the growing demand for healthier diet and offer practical insights for the low-calorie food industry.
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Affiliation(s)
- Shanan Chen
- Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China
| | - Cristian Dima
- Dunarea de Jos' University of Galati, Faculty of Food Science and Engineering, "Domnească" Str. 111, Building F, Room 107, 800201, Galati, Romania
| | | | - Lijun Yin
- Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China
| | - Bin Liu
- Department of Nutrition and Health, China Agricultural University, Beijing 100091, China
| | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
| | - Yuan Li
- Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China.
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4
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Sharma P, Osama K, Gaur VK, Farooqui A, Varjani S, Younis K. Sustainable utilization of Citrus limetta peel for obtaining pectin and its application in cookies as a fat replacer. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:975-986. [PMID: 36908343 PMCID: PMC9998840 DOI: 10.1007/s13197-022-05424-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 01/29/2023]
Abstract
In this study, a five-factorial central composite design was employed to optimize pectin extraction from novel source, through ultrasound-assisted extraction. A 35.58% yield was obtained under optimized conditions of pH 1.0, solid (g): liquid (mL) ratio 1:24, amplitude 84.2 Hz, duty cycle 23 s/30 s, and time 30 min. The equivalent weight, methoxyl content, anhydrouronic acid content, degree of esterification, water-holding capacity, and oil-holding capacity of the extracted pectin were 796.40 ± 2.07, 8.29 ± 0.38%, 71.32 ± 0.54%, 64.66 ± 2.08%, 8.04 ± 0.10 g water/g pectin, and 2.24 ± 030 g oil/g pectin, respectively. The chemical profile of the extracted pectin was assessed with FTIR and NMR analyses. The extracted pectin was utilized as a butter substitute in cookies. Up to 30% butter in cookies could be replaced with the extracted pectin without altering the sensory and physicochemical properties. Overall, results of presented work suggest that using waste-derived pectin as a fat substitute in cookies offers a sustainable and health-promoting approach for converting waste into wealth.
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Affiliation(s)
- Poonam Sharma
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh India
| | - Khwaja Osama
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh India
| | - Vivek Kumar Gaur
- Amity Institute of Biotechnology, Amity University, Lucknow, Uttar Pradesh India
- Centre for Energy and Environmental Sustainability, Lucknow, Uttar Pradesh 226 001 India
| | - Alvina Farooqui
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh India
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, Gujarat 382 010 India
| | - Kaiser Younis
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh India
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Chakraborty M, Budhwar S, Kumar S. Evaluation of nutrients and organoleptic value of novel value added multibran cookies using multivariate approach. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:4748-4760. [PMID: 36276522 PMCID: PMC9579263 DOI: 10.1007/s13197-022-05559-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/07/2022] [Accepted: 07/05/2022] [Indexed: 06/16/2023]
Abstract
Cereal and legume flours are intensively being used by food experts to formulate cookies. But their byproducts are discarded in spite of being nutrient rich. The study was conducted to determine nutrients, organoleptic properties and shelf-life of highly nutritive multibran cookies formulated with partial replacement of wheat flour along with the milling byproducts i.e., chickpea husk, moong bean husk, rice bran, broken rice, and wheat bran. The percentages of the byproduct flour, taken for the formulation of the product, was determined using central composite design of response surface methodology. According to the obtained data, Multi-bran cookies (MBC) possessed rich nutrient composition in comparison with the control sample i.e., the wheat flour cookies (WFC). MBC showed 18% crude protein, 5% crude fiber, higher than the crude protein (7.78%) and crude fiber (2%) of WFC. However, total sugar concentrations of MBC (3.08 g/100 g) was lower than WFC (4.89 g/100 g). Calcium and phosphorus present in MBC were 115.06 mg/100 g and 195.88 mg/100 g respectively, significantly higher (p < 0.05) than WFC. The overall acceptability of MBC as indicated by 9-point hedonic scale (8.13) was satisfactory. On the basis of the obtained data it can be said that the selected milling byproducts can be used as potential plant-based sources to develop significant functional products like cookies without affecting its sensory quality and to improve nutritional status of consumer. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-022-05559-1.
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Affiliation(s)
- Manali Chakraborty
- Department of Nutrition Biology, Central University of Haryana, Mahendergarh, Jant-Pali, Haryana 123029 India
| | - Savita Budhwar
- Department of Nutrition Biology, Central University of Haryana, Mahendergarh, Jant-Pali, Haryana 123029 India
| | - Suneel Kumar
- Department of Physics and Astrophysics, Central University of Haryana, Mahendergarh, Jant-Pali, Haryana 123029 India
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Chia Seed Hydrogel as a Solid Fat Replacer and Structure Forming Agent in Gluten-Free Cookies. Gels 2022; 8:gels8120774. [PMID: 36547298 PMCID: PMC9777616 DOI: 10.3390/gels8120774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Gluten-free cookies based on rice and chickpea flour with reduced-fat and increased protein content compared with conventional commercial gluten-free cookies were developed and used as a base for further vegetable fat replacement with chia seed hydrogel. Rheological properties of chia seed hydrogel revealed that 8% gels exhibited the optimal properties as a fat substitute. Designed cookie samples were characterized for their chemical composition, fatty acid profile, mineral content, physical, textural and color parameters, and sensory properties. All gluten-free cookies developed in this study could be labeled as "a source of iron and potassium", while those with chia seed hydrogel and cocoa powder could bear the additional claim "high in zinc and magnesium". Fat replacement with chia seed hydrogel resulted in a more favorable fatty acid composition with a PUFA/SFA ratio over 0.40 and nonsignificant changes in the cookies' hardness, weight, eccentricity, and specific volume, indicating that the chia seed hydrogel addition did not disturb the cookie structure and texture. The results of the sensory analysis confirmed that it is possible to apply chia seed hydrogel to produce reduced-fat cookies with sensory properties comparable to their full-fat counterpart and available commercial samples, and they are more appealing than commercial reduced-fat gluten-free cookies.
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Jin Y, Bai S, Huang Z, You L, Zhang T. Technology characteristics and flavor changes of traditional green wheat product nian zhuan in Northern China. Front Nutr 2022; 9:996337. [PMID: 36245503 PMCID: PMC9557182 DOI: 10.3389/fnut.2022.996337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Nian zhuan has its aroma as one of the perceived principal characteristics. The current study was aimed mainly to investigate the potential to include the aroma of nian zhuan as a new target criterion into the green wheat product chain. By improving the conditions for the traditional processing of nian zhuan, the optimal processing conditions were determined as green wheat (GW) 14 d, steaming the green wheat with the skin (SGWS) 26 min and cooked green wheat peeled (CGWP) 280 min, to evaluate the feasibility of using electronic nose (E-nose) and gas chromatography mass spectrometry (GC-MS) to discriminate nian zhuan in different stages. E-nose was used to recognize nian zhuan odors in different processing stages, and GC-MS to identify the individual volatile compounds. A total of 139 volatile compounds were detected by GC-MS, of which 71 key were screened by t-test (P < 0.01). The W1W, W1S, W2W and W2S sensors of E-nose gave higher responses to all samples, and effectively discriminated the samples. The most volatile compounds were produced in the millstone milling (MSM) stage of nian zhuan, and millstone could promote the release of volatile compounds from cooked green wheat by milling.
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Affiliation(s)
- Yadong Jin
- College of Animal Sciences, Xichang University, Xichang, China
- School of Agriculture, Ningxia University, Yinchuan, China
| | - Shuang Bai
- College of Animal Sciences, Xichang University, Xichang, China
- School of Agriculture, Ningxia University, Yinchuan, China
- *Correspondence: Shuang Bai
| | - Zengwen Huang
- College of Animal Sciences, Xichang University, Xichang, China
| | - Liqin You
- College of Biological Science and Engineering, North Minzu University, Yinchuan, China
| | - Tonggang Zhang
- School of Biology and Brewing Engineering, Taishan University, Taian, China
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Barragán-Martínez L, Román-Guerrero A, Vernon-Carter E, Alvarez-Ramirez J. Impact of fat replacement by a hybrid gel (canola oil/candelilla wax oleogel and gelatinized corn starch hydrogel) on dough viscoelasticity, color, texture, structure, and starch digestibility of sugar-snap cookies. Int J Gastron Food Sci 2022. [DOI: 10.1016/j.ijgfs.2022.100563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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9
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Food-Grade Bigels with Potential to Replace Saturated and Trans Fats in Cookies. Gels 2022; 8:gels8070445. [PMID: 35877530 PMCID: PMC9324894 DOI: 10.3390/gels8070445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022] Open
Abstract
Fats play multiple roles in determining the desirable characteristics of foods. However, there are health concerns about saturated and trans fats. Bigels have been proposed as a novel fat replacer in foods. This research evaluated the role of the type of hydrogel in the development of bigels to be used as fat replacers in cookies. Bigels were made with beeswax/canola oil oleogel and sodium alginate and carboxymethylcellulose hydrogels. The results showed that the peroxide value and binding capacity of bigels were affected by the type of hydrogel used. However, their fatty acid profile, p-anisidine value, oxidative stability, and texture remained unchanged. Using bigels as fat replacers, cookies were obtained with a hardness similar to those with original shortening, showing the potential of bigels for use in foods.
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10
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Zou PR, Hu F, Ni ZJ, Zhang F, Thakur K, Zhang JG, Wei ZJ. Effects of phosphorylation pretreatment and subsequent transglutaminase cross-linking on physicochemical, structural, and gel properties of wheat gluten. Food Chem 2022; 392:133296. [PMID: 35636191 DOI: 10.1016/j.foodchem.2022.133296] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/14/2022] [Accepted: 05/21/2022] [Indexed: 01/10/2023]
Abstract
The presence of a large number of hydrophobic groups and non-polar amino acids in the wheat gluten (WG) is responsible for its poor water solubility, greatly limiting its industrial applications. Our results showed that the solubility and zeta potential of WG were significantly (P < 0.05) improved with the increasing concentration of sodium tripolyphosphate (STP), while the average particle size of WG was decreased. After WG was incubated with TGase, phosphorylation pretreatment significantly increased apparent viscosity of WG dispersant solution, suggesting that phosphorylation treatment promoted the generation of cross-linked polymers. In addition, phosphorylation pretreatment enhanced hydrophobic interactions and disulfide bond formation between TGase-induced WG gels, thus leading to a more homogeneous and dense three-dimensional network structure of gel, which was confirmed by SEM micrographs. To summarize, STP can be used as an effective additive for the modification of WG with an improved degree of TGase-mediated cross-linking for better rheological and gel properties.
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Affiliation(s)
- Peng-Ren Zou
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Fei Hu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
| | - Zhi-Jing Ni
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China
| | - Fan Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China.
| | - Kiran Thakur
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
| | - Jian-Guo Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
| | - Zhao-Jun Wei
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
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11
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Yazar G, Rosell CM. Fat replacers in baked products: their impact on rheological properties and final product quality. Crit Rev Food Sci Nutr 2022; 63:7653-7676. [PMID: 35285734 DOI: 10.1080/10408398.2022.2048353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Many baked products, except for bread, (i.e., cakes, cookies, laminated pastries, and so on) generally contain high levels of fat in their formulas and they require different bakery fats that impart product-specific quality characteristics through their functionalities. Even though, fat is crucial for baked product quality, strategies have been developed to replace fat in their formulas as high fat intake is associated with chronic diseases such as obesity, diabetes, and cardiovascular heart diseases. Besides, the solid bakery fats contain trans- and saturated fats, and their consumption has been shown to increase total and low-density lipoprotein cholesterol levels and to constitute a risk factor for cardiovascular diseases when consumed at elevated levels. Therefore, the aim of this review was to provide a detailed summary of the functionality of lipids/fats (endogenous lipids, surfactants, shortening) in different baked products, the rheological behavior of bakery fats and their contribution to baked product quality, the impact of different types of fat replacers (carbohydrate-, protein-, lipid-based) on dough/batter rheology, and on the quality characteristics of the resulting reduced-fat baked products.
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Affiliation(s)
- Gamze Yazar
- Department of Animal, Veterinary and Food Sciences, University of Idaho, ID, USA
| | - Cristina M Rosell
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
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Techno-functional properties of coffee by-products are modified by dynamic high pressure: A case study of clean label ingredient in cookies. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112601] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Nadian N, Azizi MH, Abbastabar Ahangar H, Aarabi A. Textural and sensory characteristics of sugar-free biscuit formulated with quinoa flour, isomalt, and maltodextrin. Food Sci Nutr 2021; 9:6501-6512. [PMID: 34925781 PMCID: PMC8645751 DOI: 10.1002/fsn3.2564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 07/10/2021] [Accepted: 08/19/2021] [Indexed: 11/25/2022] Open
Abstract
A low-calorie biscuit formulation containing quinoa flour (cultivars TTKK), isomalt, and maltodextrin was optimized using response surface methodology. Optimized samples were evaluated in terms of total phenolic compounds (TPC), sensory properties, and nutritional value while samples containing only wheat flour (Pishgam var.) and sucrose were used as control. Morphology of isolated starch from quinoa was also investigated. The results showed that with increasing amounts of quinoa, isomalt, and maltodextrin ΔE and Browning index increased, whereas hardness and L values decreased. The formulation containing 25% quinoa flour, 3.5% maltodextrin, and 10% isomalt was found to be optimal with an overall desirability value of 0.95. The sensory evaluation showed that replacement of wheat flour with 25 g/100 g quinoa flour in biscuits was acceptable. TPC of the optimal biscuit (1,180.34 ± 0.02 μg GAE/g) was higher than that of the control sample (729.95 ± 0.007 μg GAE/g). In addition, the optimized biscuit had more protein (8.36 ± 0.035%) and dietary fiber (2.14 ± 0.035%) content compared with the control sample (7.01 ± 0.007% and 1.66 ± 0.028%, respectively). The consumption of 100 g of optimized quinoa biscuits supplies the daily requirement of Fe, Mg, Ca, and Zn at 2.43%, 44.81%, 19.46% and 1.12%, respectively.
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Affiliation(s)
- Narges Nadian
- Department of Food science and TechnologyNajafabad BranchIslamic Azad UniversityNajafabadIran
| | - Mohammad Hossain Azizi
- Department of Food Science and TechnologyFaculty of AgricultureTarbiat Modares UniversityTehranIran
| | | | - Aazam Aarabi
- Department of Food Science and TechnologyShahreza BranchIslamic Azad UniversityShahrezaIran
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