痕量动物油和植物油的区分检验研究  

Discrimination examination between animal oil and vegetable oil

作　　者：王继芬[1] 姚琳桃 张桂霞[3] 

机构地区：[1]中国人民公安大学刑事科学技术系,北京100038 [2]无锡市公安局崇安分局通江派出所,江苏无锡214005 [3]北京市公安局刑事科学技术研究所,北京100054

出　　处：《化学研究与应用》2008年第11期1514-1519,共6页Chemical Research and Application

基　　金：北京市教育委员会共建项目建设计划资助(JD100410669)资助

摘　　要：采用碱催化甲酯化的前处理方法,应用气相色谱-质谱联用技术对动物油和植物油的区分检验进行了研究。实验检出了6种主要脂肪酸:肉豆蔻酸、棕榈油酸、棕榈酸、亚油酸、油酸、硬脂酸。分析了动物油与植物油在成分及相对含量上的差异,并且找出了动物油和植物油在不饱和度上的差别。根据动物油与植物油的差异点,可以对动物油和植物油进行区分。The discrimination examination between animal oil and vegetable oil was studied using methyl esterifying oils under the effect of KOH and by Gas Chromatography and Mass Spectroscopy. Six main fatty acids （ Myristic acid, Palmitoleic acid, Palmitic acid,Linoleic acid, Oleic acid and Stearic acid） were determined. It＇ s found that animal oil and vegetable oil not only has a difference in components and relative content, but also has a difference in unsaturation. According to all these differences,it＇ s able to discriminate animal oil from vegetable oil.

关 键 词：区分检验 动物油 植物油 脂肪酸 

分 类 号：O657.7[理学—分析化学]