Impact of Probiotic Fermentation on the Physicochemical Properties of Hemp Seed Protein Gels

被引:0
|
作者
Liu, Yipeng [1 ,2 ]
Fei, Yingxue [1 ,2 ]
Li, Chen [3 ]
Cheng, Jianming [1 ,2 ]
Xue, Feng [1 ,2 ]
机构
[1] Nanjing Univ Chinese Med, Sch Pharm, Nanjing 210023, Peoples R China
[2] Jiangsu Prov Engn Res Ctr Class Prescript, Nanjing 210023, Peoples R China
[3] Nanjing Tech Univ, Coll Food Sci & Light Ind, Nanjing 211816, Peoples R China
关键词
hemp seed protein isolates; plant-based yogurt; fermentation time; structure; molecular interactions; MYOFIBRILLAR PROTEIN; ISOLATE; OIL;
D O I
10.3390/polym16213032
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Hemp seed protein isolates (HPI) were used to produce a gel through probiotic fermentation. This study assessed how fermentation time (ranging from 0 to 16 h) affected the physicochemical properties of the HPI gel. The results indicated that gel formation began after 8 h of fermentation, as demonstrated by a pH decrease, an increase in particle size, and the development of aggregation observed through fluorescence and scanning electron microscopy. The gel produced after 16 h of fermentation showed the highest viscosity, storage modulus, and gel strength, attributed to stronger molecular interactions, including non-covalent and covalent crosslinking. However, the gel produced after 12 h of fermentation showed the highest water-holding capacity, and extending the fermentation beyond 12 h caused a decrease in water-holding capacity. Additionally, the subunits tended to form polymers after fermentation, suggesting that gel formation was influenced by both acidification and specific covalent crosslinking. These findings propose that HPI could serve as a viable alternative for developing plant-based gel products.
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页数:15
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