J Integr Plant Biol. ›› 1982, Vol. 24 ›› Issue (4): -.

• Research Articles •    

The Isolation and Identification of Phytoecdysones from Dacrydium pierrei Hickel

Hou Song-sheng, Wang Guo-liang and Xia Ke-min   

Abstract: Three crystals were isolated from the bark of Dacrydium pierrei Hickel and were identified by melting point spectral data (UV, IR, MS, NMR) and GC. Hplc. Crystal Ⅰ is β-ecdysone, Crystal Ⅱ is a jugasterone C. Crystal Ⅲ consists of ponasterone A (ⅢA) and a new phytoecdysone named dacryhainansterone (ⅢB). Total yield of three crystals is 0.4%.

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