Subjects: Biology >> Botany >> Applied botany submitted time 2021-04-13 Cooperative journals: 《广西植物》
Abstract： Cinnamomi Ramulus is a traditional chinese medicine commonly used in clinic. The ethanol extracts of Cinnamomi Ramulus had found the physiological activity to inhibit necroptosis in the previous studies. In order to clarify the chemical constituents of the plant and provide scientific basis for the rational development and sustainable utillization of the plant resources, the75% ethanol extracts of Cinnamomi Ramulus were isolated and purified by various chromatographic methods such as macroporous adsorption resin, silica gel, Sephadex LH-20 and preparative HPLC to yield 13 compounds. Their structures were identified by physicochemical properties and various spectral data analyses as abscisic acid(1), grasshopper ketone (2), 2,3-dihydroxy-1-(4-hydroxy-3,5- dimethoxyphenyl)-1-propanone (3), erythro-type-1,2,3- trihydr- oxyphenylpropane (4), 1-phenyl-1,3-propanediol (5), coumarin (6), cinnamic acid (7), p-hydroxycinnamic acid (8), o-hydroxycinnamic acid (9), o-metho- xycinnamic acid (10), cinnamaldehyde (11), ferulic acid (12) , ethyl caffeic acid (13). Among them, 1-5, 12 and 13 were isolated from the plant for the first time.
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