Taxol content of Irish yews.
The average annual taxol content of shoots with dark green needles from Irish Yew (Taxus baccata var. fastigiata) was found to be 0.0075%. Maximum levels were recorded in April (0.010%) and minimum in February. Golden-leaved ("aurea") varieties contained only traces of taxol. Shoot growth took place mainly between May and July.
Griffin
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Hook
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D000704:Analysis of Variance; D002851:Chromatography, High Pressure Liquid; D007494:Ireland; D017239:Paclitaxel / Q000032:analysis*; D012621:Seasons; D014197:Trees / Q000737:chemistry* / Q000502:physiology
D017239:Paclitaxel