研究厚樸炮制前后揮發(fā)油的變化.結(jié)果表明:總含量降低,炒黃與姜炙厚樸相似,降低26%,炒焦降低42%;而其化學(xué)成分未發(fā)生明顯變化,氣相色譜圖基本一致.實(shí)驗(yàn)發(fā)現(xiàn)揮發(fā)油中含有發(fā)汗、祛痰、平喘的成分.

Changes in the contents and chemical composition of volatile oil in Magnolia officinalis Rehd.et Wils.before and after processing were studied.Results showed that the volatile oil content was reduced by 26% by parching or frying with ginger,and reduced by 42% by charring,while the chemical composition remained un-changed and the gas chromatogram showed almost no difference.In the experiment the volative oil was found to contain some composition which could cause diaphoresis,resolve.phlegm and allay asthma.