伞形科植物的成分主要有挥发油、香豆素、色原酮及其苷类。

Umbelliferae plants mainly contain essential oil, coumarin, chromone and glycoside.

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同皮肤细胞匀浆代谢相似，酮洛芬异丙酯被代谢成原药酮洛芬。

Ketoprofen isopropyl ester was hydrolyzed into ketoprofen when penetrated through the cultured skin, which resembled in the skin cell homogenates metabolism.

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前言： 以2′，5′-二羟基苯乙酮和原甲酸三乙酯缩合得到6- 羟基- 4- 色酮，再经催化氢化得到标题化合物。

6-Hydroxychroman was prepared by catalytic hydrogenation of 6-hydroxy-4-chromone, which was prepared via condensation of 2′, 5′-dihydroxyacetophenone with triethyl ortho-formate.

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