Effects of black soybean peel anthocyanins on the structural and functional properties of wheat gluten.

IF 3.3 2区 农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY
Tongyun Wu, Jianxia Sun, Weibin Bai
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引用次数: 0

Abstract

Background: Wheat gluten (WG) is a crucial cereal protein commonly utilized in the food, biological and pharmaceutical industries. However, WG is poorly soluble in water, resulting in poor functional properties, which restrict its application in the food industry. As a result, there is an urgent need for improving the properties of WG.

Results: This study was conducted to examine the functional properties of WG after binding with black soybean peel anthocyanin extract (BAE). Results showed that BAE enhanced the solubility, water-holding and antioxidant capacity, foaming properties and emulsifying activity of WG, while decreasing the emulsion stability. The degree of hydrolysis of WG and retention rate of BAE became higher in the digested WG-BAE complex than in the control groups. Additionally, an analysis was conducted on the mechanism of interaction between cyanidin-3-O-glucoside (C3G) and WG/gliadin (Gli)/glutenin (Glu). The secondary structure of WG/Gli/Glu was altered after adding C3G. C3G had high affinity for WG/Gli/Glu since their binding constants were greater than 104 L mol-1. The primary binding forces between C3G and WG/Gli were hydrophobic interactions, whereas the main interaction forces between C3G and Glu were hydrogen bonding and van der Waals forces. Moreover, C3G increased the thermal stability and changed the network structure of WG/Gli/Glu.

Conclusion: This study revealed that BAE effectively enhanced a range of functional properties of WG. The interaction between WG and BAE also improved the bioavailability and nutritional value of them. Furthermore, the interaction mode between BAE and WG was investigated. These findings lay a foundation for utilizing gluten-anthocyanins in the food sector. © 2024 Society of Chemical Industry.

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来源期刊
CiteScore
8.10
自引率
4.90%
发文量
634
审稿时长
3.1 months
期刊介绍: The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.
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