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  • Title: [Studies on chemical constituents in the roots of Rabdosia japonica (Burm.f). Hara var. glaucocalyx (Maxin) Hara].
    Author: Jin YR, Gui MY, Wang BZ.
    Journal: Zhongguo Zhong Yao Za Zhi; 2000 Nov; 25(11):678-9. PubMed ID: 12525072.
    Abstract:
    OBJECTIVE: To isolate and elucidate the chemical constituents in the roots of Rabdosia japonica. METHOD: The constituents were extracted by ether and isolated by chromatography on silica gel and ODS. The structures were determined by IR, H NMR, 13C NMR and MS spectra respectively. RESULT: Four compounds were elucidated as glaucocalgxin A, oleanolic acid, ursolic acid and daucosterol. CONCLUSION: Oleanolic acid and daucosterol were isolated from this plant for the first time.
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