食品科学2025，Vol.46Issue(22)：186-194,9.DOI:10.7506/spkx1002-6630-20250604-018
纤维化大豆蛋白纳米递送提升桑葚花色苷的显色特性
Fibrous Soy Protein Nanocarrier Delivery:A Promising Strategy for Enhancing the Coloration Characteristics of Mulberry Anthocyanins
摘要
Abstract
To enhance the color discernibility and stability of mulberry anthocyanins(MA),this study investigated the delivery efficacy of soy protein isolate(SPI)and its self-assembled fibrillated form,soy protein isolate fibrils(SPF),as nanocarriers for MA.The results demonstrated that MA was mainly loaded on the hydrophobic sites of SPI and SPF through hydrogen bonding and hydrophobic interactions,resulting in the formation of stable nanocomplexes.Fibrillation treatment significantly improved the loading efficiency(EE)of soy protein for MA(96.34%vs.61.25%)and enhanced the color stability and naked-eye discernibility of MA.Compared with free MA,the color change of MA-loaded SPF increased from Grades 3 to 5 over the pH range of 2-8,indicating significantly improved visual discriminability(P<0.05).Simultaneously,its thermal stability was enhanced by 32.90%,and the degradation rate of anthocyanins after 45 days of storage at 25℃was decreased by 44.70%.Additionally,the color stability of MA was positively correlated with storage temperature.At 4℃,the degradation rate constant(k)of MA was reduced by 68.63%compared with that at 25℃,and the half-life(t1/2)was extended by 3.19 times.After loading onto SPI and SPF,the stability of MA was enhanced.The k values of the MA-SPI and MA-SPF complexes were only 75.00%and 41.25%of that of free MA,and the t1/2 values were 1.33 and 2.42 times higher than that of free MA,respectively.In conclusion,SPF serves as an excellent carrier for improving the color discernibility and stability of MA.The SPF-MA nanocomplex is expected to be applied as an excellent pH sensitive indicator in intelligent food packaging films.关键词
大豆蛋白/花色苷/自组装纤维化/纳米递送/指示剂Key words
soy protein/anthocyanins/self-assembly fibrillation/nano-delivery/indicator分类
轻工纺织引用本文复制引用
陈妮妮,陈于陇,叶明强,岳淑丽,罗政,戴凡炜,陈飞平..纤维化大豆蛋白纳米递送提升桑葚花色苷的显色特性[J].食品科学,2025,46(22):186-194,9.基金项目
现代农业产业技术体系建设专项(CARS-18-ZJ0506) （CARS-18-ZJ0506）
广东省现代农业产业共性关键技术研发创新团队建设项目(2024CXTD16) （2024CXTD16）
广东省农业农村厅农业科研类及技术推广示范类项目 （）
珠海市社会发展领域科技计划项目(2420004000206) （2420004000206）
