The influence of oil composition on the transformation, bioaccessibility, and intestinal absorption of curcumin in nanostructured lipid carriers
文献类型： 外文期刊
作者： Feng, Jin 3 ; Huang, Meigui 2 ; Chai, Zhi 3 ; Li, Chunyang 3 ; Huang, Wuyang 3 ; Cui, Li 3 ; Li, Ying 1 ;
作者机构： 1.Jiangnan Univ, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China
2.Nanjing Forestry Univ, Dept Food Sci & Engn, Coll Light Ind & Food Engn, 159 Longpan Rd, Nanjing 210037, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Agroprod Proc, 50 Zhongling St, Nanjing 210014, Peoples R China
期刊名称：FOOD & FUNCTION （ 影响因子：5.396； 五年影响因子：5.534 ）
ISSN： 2042-6496
年卷期： 2020 年 11 卷 6 期
页码：
收录情况： SCI
摘要： In this study, the influences of liquid medium-chain triglyceride (MCT) and solid glyceryl tristearate (GTS) contents in the lipid matrix of nanostructured lipid carriers (NLCs) on their delivering capacities with respect to curcumin (Cur) were investigated by using a simulated gastrointestinal tract and Caco-2 monolayer models. The transformation of the encapsulated Cur decreased on increasing the MCT content in the lipid matrix of NLCs because it facilitated their lipolysis and promoted the exposure of Cur to a harsher exterior environment. Cur bioaccessibility was positively correlated with the level of micellized stearic acid resulting from GTS hydrolysis, which might be attributed to the fact that it could afford large hydrophobic domains to accommodate Cur. This value initially increased with an increase in the MCT content, reaching a maximum at 20% (w/w) and decreasing thereafter. The intestinal absorption of micellar Cur ranged from 26.06% to 38.76%, and a majority of the transported molecules were its reductive and conjugative metabolites. Overall, NLC containing 20% MCT in the lipid matrix afforded the highest Cur bioavailability, followed by that containing 10, 0, 40, 60, and 100% MCT. This work provides useful insights into the rational design of NLCs to optimize the bioavailability of the loaded agent.
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