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Magnolia officinalis extract of magnolia officinalis is commonly used in traditional Chinese medicine. It was first published in Shennong Materia Medica and listed as the middle product. Magnoliaofficinalis extract is a product extracted from the dry root bark, stem bark or branch bark of magnolia officinalis, etc. The content of magnolia officinalis and magnolia officinalis are usually standardized. 【 Distribution 】 The world has about 90 kinds of magnoliaceae plants, there are about 30 kinds in our country, about 20 kinds of which have medicinal value. Magnolia officinalis was born on the sunny slopes and forest margins with fertile soil and deep soil 300 ~ 1700m above sea level. 【 Origin 】 Magnolia officinalis mainly distributed in western Hubei, southern Sichuan, southern Shaanxi and southern Gansu. Magnolia officinalis is mainly distributed in Jiangxi, Anhui, Zhejiang, Fujian, Hunan, Guangxi and northern Guangdong. Magnolia officinalis and Magnolia officinalis have cross distribution and large area of artificial cultivation

【 Main components 】 The bark of magnolia officinalis contains honokiol, honokiol, isohonokiol and other components. Trihydroxymagnolol, deoxygenated trihydroxymagnolol, trihydroxymagnolaldehyde, poly-magnolol and propyl were isolated from the ethyl acetate extract of magnolia officinalis. Bark contains about 1% volatile oil, oil mainly contains β-oleol; It also contained α-pinene, β-pinene, limonene and bornyl acetate. The bark of the tree also contains magnolianine. The leaves also contain magnolol and magnolol.