A New Furospirostanol Saponin, Ophiofurospiside B from Ophiopogon japonicus(Thunb.)Ker-Gawl

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IntroductionThe tuber of Ophiopogon japonicus (L. f) KerGawl, which is a Chinese traditional medicine named "maidong" have been recorded to have various medical functions for curing cardiovascular diseases and bacterial infections, especially heart diseases.
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