To collect the compounds of XYP, we used the TCM Database@Taiwan [24 (link)] (http://tcm.cmu.edu.tw/zh-tw/, updated in March 2014), which is the most comprehensive TCM database in the world, and the Traditional Chinese Medicine Systems Pharmacology Database [25 (link)] (TcmSP™, http://lsp.nwsuaf.edu.cn, updated on May 31, 2014), a unique system pharmacology platform designed for Chinese herbal medicines. Nine hundred and fifty-eight compounds were found, 348 in Radix Bupleuri, 175 in Angelicae Sinensis Radix, 92 in Paeoniae Radix Alba, 52 in Poria Cocos (Schw.) Wolf., 63 in Atractylodes Macrocephala Koidz., and 318 in Licorice. According to research [26 , 27 ], we filtered these compounds and get 11 representative compounds (active compounds); they are saikosaponin, longispinogenin, ferulic acid, ligustilide, total glucosides of peony (TGP), atractylol, atractylenolide I, atractylenolide III, pachyman, pachymic acid, and glycyrrhizin. The details are described in Table S1 (see Supplementary Material available online at http://dx.doi.org/10.1155/2016/2960372).
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