期刊
JOURNAL OF FUNCTIONAL FOODS
卷 47, 期 -, 页码 72-82出版社
ELSEVIER
DOI: 10.1016/j.jff.2018.05.043
关键词
Puerarin; Ligustrazine; Absorption; Pharmacokinetics; Intestinal barrier; Gut microbiota
资金
- National Natural Science Foundation of China [31401499]
- Applied Science and Technology Research Foundation of Guangdong Province [20168020237005]
- Natural Science Foundation of Guangdong Province [2016A030313605]
Puerarin, the most important flavonoid in Puerariae Lobatae Radix (PLR), has high biological activity but poor oral absorption. This study investigated how to enhance the absorption and pharmacokinetics of puerarin through modulating the intestinal barrier. Analyses of intestinal absorption, pharmacokinetics demonstrated enhanced puerarin absorption with daidzin, daidzein and ligustrazine (the main active ingredient in vinegar and Chuanxiong Rhizoma (CXR)). In particular, PLR combined with CXR enhanced the absorption and pharmacokinetics of puerarin through elevating puerarin solubility, regulating P-glycoprotein efflux and reducing claudin-5 expression. The combination of PLR and CXR reduced the diversity of gut microbiota and the ratio of Firmicutes to Bacteroidetes. In conclusion, combining PLR with CXR enhanced the absorption and pharmacokinetics of puerarin by modulating the intestinal barrier and influenced gut microbiota. The gut microbiota is likely to be a potential target for the combination of PLR and CXR.
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