1. Chemical constituents of Lomatogonium carinthiacum and Halenia corniculata
Laxinamujila BAI ; Gang BAO ; Gang SUDABILIGE ; Gang CHAOGEBADALAFU ; Chenlin HE ; Chenlin QIRIGEER ; Laxinamujila BAI ; Shuzhen BAI
Chinese Herbal Medicines 2022;14(3):459-463
Objective: To study the chemical constituents from traditional Chinese (Mongolian) medicine, Lomatogonium carinthiacum and Halenia corniculate. Methods: The chemical constituents were isolated and purified by silicagel column, Sephadex LH-20, ODS and high performance liquid chromategramphy. The structures were identified by NMR and MS analysis technics. Results: Twelve compounds were isolated and identified as isovitexin (1), Luteolin-5-O-β-D-glucoside (2), Isosaponarin (3), Luteolin-7-O-β-D-glucoside (4,7), 1,4,8-Trimethoxy-xanthone-6-O-β-D-glucoronyl-(1 → 6)O-β-Dglucoside (5), friginosideD (6), 1-hydroxy-2,3,5-trimethoxyxanthone (8), 1-hydroxy-2,3,4,5-tetramethoxyxanthone (9), 1-hydroxy-2,3,4,7-tetramethoxyxanthone(10), 1-hydroxy-2,3,4,5,7-pentamethoxyxanthone (11) and usnic acid (12). Conclusion: Compounds 6 and 12 are obtained from L. carinthiacum and H. corniculate for the first time.
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