利用改进的DEAE-Sephadex离子交换色谱从株洲氢化松香中分离出主要化学组成部分酸性部分,然后采用DB-5毛细管柱对酸性部分进行气相色谱-质谱-计算机联用分析。共鉴定出6种二氢枞酸型树脂酸,4种二氢海松酸/异海松酸型树脂酸,4种四氢枞酸型树脂酸。其主要成分为8-二氢枞酸、18-四氢枞酸、13-二氢枞酸、8α,13β-四氢枞酸、13β-8-二氢枞酸及8-二氢异海松酸等。
The acid fraction, the main part of the hydrogenated rosi nproduced b y Zhuzhou Forest Chemicals Plant of China, was separated from neutral fraction b y modified DEAE-Sephadex ion exchange chromatography and analyzed with GC-MS- DS technique by using DB-5 capillary column. Six dihydroabietic-type resin acids , f our dihydropimaric/isopimaric-type resin acids and four tetrahydroabietic-type r esin acids were identified. The hydrogenated rosin is composed mainly of 8-abi et enoic acid, 18-abietanoic acid, 13-abietenoic acid, 8α,13β-abietanoic a cid, 13β-8-abietenoic acid and 8-isopimarenoic acid etc.
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