树木分泌的天然化学物质异戊二烯和萜烯被认为可保护树叶免受过多热量和阳光的伤害。
Trees produce natural chemicals, called isoprene and terpene, that are thought to protect their leaves from too much heat and sunlight.
冬凌草甲素是从冬凌草等植物叶子中提取出的一种贝壳杉烯二萜类化合物，具有好的抗肿瘤活性。
Oridonin anent-kaurene diterpenoid compound mainly isolated from the leaves of R. rubescen. Oridonin has been proved to possess good antitumor activity .
紫杉烯合酶是一种二萜环化酶，催化牛儿基牛儿基焦磷酸形成紫杉醇生物合成过程中的中间体紫杉烯。
Taxadiene synthase, a diterpene cyclase, catalyzes the conversion of geranylgeranyl diphosphate (GGPP) to taxadiene, a key intermediate in Taxol biosynthesis in yew.
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