Steroidal glycosides from Tylophora ovata with anti-inflammatory and radical scavenging activities.

A chemical investigation on 80% ethanol extract from the whole plants of Tylophora ovata afforded two new C21 steroidal glycosides, ovatacosides A and B (1 and 2). Structural elucidation of both compounds were performed by spectral methods such as 1D…

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