Nutritional targeting modification of silkworm pupae oil catalyzed by a smart hydrogel immobilized lipase

文献类型： 外文期刊

第一作者： Wang, Jin-Zheng

作者： Wang, Jin-Zheng;Wu, Cheng-Kun;Yan, Cheng-Hai;Chen, Huan;You, Shuai;Sheng, Sheng;Wu, Fu-An;Wang, Jun;You, Shuai;Sheng, Sheng;Wu, Fu-An;Wang, Jun;Wang, Jun

作者机构：

期刊名称：FOOD & FUNCTION （ 影响因子：5.396； 五年影响因子：5.536 ）

ISSN： 2042-6496

年卷期： 2021 年 12 卷 14 期

页码：

收录情况： SCI

摘要： To prepare a nutritional supplement using silkworm pupae oil (SPO) as a feedstock, a microfluidic reactor with a smart hydrogel immobilized lipase was first constructed to reduce the relative content of palmitic acid at sn-1,3 and improve the nutritional function. The effects of flow rate, reaction temperature, and substrate molar ratio were investigated. In vitro digestion and pH-stat models were employed to analyze the digestion feature after the modification of SPO, while HPLC-ELSD, zeta potential, DSC, and TGA were used to evaluate the nutritional function. The relative content of "OOO" and "OPO" type triglycerides was increased by 49.48% and 107.67%, and that of palmitic acid at sn-1,3 was decreased by 49.61% in 10 s. After the verification of the in vitro digestion model, the fatty acid release rate of the modified SPO was significantly improved by 22.07%, indicating the nutritional function improvement of SPO. Therefore, the nutritional function of SPO has been improved successfully by the application of a microchannel reactor with photo-immobilized lipase, which could set a reference for the utilization of insect oil resources.

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