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In vitro digestibility and bioaccessibility of lipid-based delivery systems obtained via enzymatic glycerolysis: a case study of rosemary extract bioaccessibility.
Food & Function ( IF 5.1 ) Pub Date : 2020-01-14 , DOI: 10.1039/c9fo01981b
Marta Corzo-Martínez 1 , Celia Bañares , Alejandro Díaz , Luis Vázquez , Guillermo Reglero , Carlos F Torres
Affiliation  

This work studies the effect of enzymatic glycerolysis on digestibility and bioaccessibility of ratfish liver oil (RLO) rich in alkylglycerols (AKGs), as well as the capability of the glycerolysis product (GP) to act as lipid-based delivery system (LBDS) for a supercritical rosemary extract. For comparison purposes, digestibility and bioaccessibility of two additional lipid systems i.e. original RLO and RLO with addition of GRAS monoolein (MO) as emulsifier agent (RLO + MO), have been evaluated. We have studied the efficiency of the GP and RLO + MO lipid systems as LBDS by combining them with a supercritical rosemary extract (RE), i.e. RE lipid-based formulations. In vitro digestibility and bioaccessibility of un-loaded lipid systems, RE lipid-based formulations and un-carried RE have been determined. The results show a higher digestibility and bioaccessibility of the GP as compared to those of original RLO and RLO + MO. Likewise, a substantial improvement of RE bioaccessibility has been observed when GP is used as lipid carrier of RE. The present work demonstrates that enzymatic glycerolysis is an efficient strategy to obtain highly bioaccessible and potentially bioactive alkylglycerol-based delivery systems, which can be used to increase the bioaccessibility of low water-soluble bioactive compounds.

中文翻译:

通过酶促糖酵解获得的基于脂质的递送系统的体外可消化性和生物可及性:迷迭香提取物生物可及性的案例研究。

这项工作研究了酶法甘油分解对富含烷基甘油(AKGs)的大鼠鱼肝油(RLO)的消化率和生物可及性的影响,以及甘油分解产物(GP)充当基于脂质的输送系统(LBDS)的能力超临界迷迭香提取物。为了进行比较,已经评估了另外两种脂质系统的消化率和生物利用度,即原始的RLO和添加GRAS单油蛋白(MO)作为乳化剂(RLO + MO)的RLO。我们通过将它们与超临界迷迭香提取物(RE)(即基于RE脂质的配方)结合使用,研究了GP和RLO + MO脂质系统作为LBDS的效率。已确定空载脂质系统,RE脂质基制剂和未携带的RE的体外消化率和生物利用度。结果表明,与原始RLO和RLO + MO相比,GP的消化率和生物利用度更高。同样,当GP用作RE的脂质载体时,已经观察到RE生物可及性的显着改善。本工作表明,酶法甘油分解是获得高度可生物利用的和潜在具有生物活性的基于烷基甘油的递送系统的有效策略,其可用于增加低水溶性生物活性化合物的生物可利用性。
更新日期:2020-02-13
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