Craig J C, Waller C W, Billets S, Elsohly M A
J Pharm Sci. 1978 Apr;67(4):483-5. doi: 10.1002/jps.2600670411.
Methods are presented for the direct GLC analysis of the catechol C15 alkenyl side-chain congeners contained in the urushiol fraction of poison ivy (Toxicodendron radicans) and the C17 homologs of poison oak (Toxicodendron diversilobum). A number of liquid phases were investigated and demonstrated varying degrees of separation. The methods developed were applied to the analysis of the urushiol fractions obtained from different plant parts of poison ivy. The effects of extraction before and after drying demonstrated tht a larger percentage of urushiol was obtained when the fresh plant material was extracted with ethanol.
本文介绍了用于直接气相色谱分析毒漆藤（毒漆树）漆酚馏分中所含儿茶酚C15烯基侧链同系物以及毒橡树（异叶漆树）C17同系物的方法。研究了多种液相，结果表明它们具有不同程度的分离效果。所开发的方法应用于分析从毒漆藤不同植物部位获得的漆酚馏分。干燥前后萃取的效果表明，用乙醇萃取新鲜植物材料时可获得更大比例的漆酚。
