它的原理在于：当植物蛋白受体受到有害化学物质的刺激时，叶面外皮会释放出一种萜类化合物用以覆盖叶面，因此植物会改变其颜色。
It works because the receptor proteins in plant DNA respond naturally to threatening stimuli by releasing chemicals called terpenoids to thicken the leaf cuticle, thereby changing its colour.
遵循“天然产物刺激的合成”的原理，450个吲哚类化合物被结合在多聚物载体上。
Following the principle of "natural product-inspired synthesis", 450 indoles were built on polymer supports.
目的：研究茯苓中能增强机体自身产生集落刺激因子的四环三萜酸类化合物。
OBJECTIVE:To study the constituents of Poria cocos that induce the product of CSFs by macrophage.
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