香油结构研究  

Research on the structure of sesame oil

作　　者：刘凯 吉一帆 柴嘉欣 李穆婵 田晨阳 王宁 杜林楠 于宏伟[2,3] Liu Kai;Ji Yifan;Chai Jiaxin;Li Muchan;Tian Chenyang;Wang Ning;Du Linnan;Yu Hongwei(Hebei Licheng Testing Technology Corporation Ltd.,Shijiazhuang 050035,China;Shijiazhuang University College of Chemical Technology,Shijiazhuang 050035,China;Anesthetic Technology Innovation Center of Hebei Province,Shijiazhuang 050035,China)

机构地区：[1]河北立诚检测科技有限公司,河北石家庄050035 [2]石家庄学院化工学院,河北石家庄050035 [3]河北省麻醉药技术创新中心,河北石家庄050035

出　　处：《煤炭与化工》2024年第7期141-147,160,共8页Coal and Chemical Industry

基　　金：石家庄市麻醉药技术创新中心项目(石科[2019]34号);河北省生物制药国际联合中心项目(冀科外函[2022]3号)。

摘　　要：采用中红外(MIR)光谱技术(包括:一维MIR光谱、二阶导数MIR光谱、四阶导数MIR光谱和退卷积MIR光谱)分别开展了香油结构的研究。实验发现,香油结构的主要红外吸收模式包括:CH3官能团不对称伸缩振动模式(ν_(asCH3)-香油)、CH_(2)官能团不对称伸缩振动模式(ν_(asCH2)-香油)、CH_(3)官能团对称伸缩振动模式(ν_(sCH3)-香油)、CH_(2)官能团对称伸缩振动模式(ν_(sCH2)-香油)、C=O官能团伸缩振动模式(νC=O-香油)、蛋白质结构酰胺Ⅰ带模式(ν_(amide-Ⅰ-香油))、C=C官能团伸缩振动模式(ν_(C=C-香油))、蛋白质结构酰胺Ⅱ带模式(ν_(amide-Ⅱ-香油))、CH_(2)官能团变角振动模式(δ_(CH2)-香油)、CH_(3)官能团不对称变角振动模式(δ_(asCH3)-香油)、CH_(3)官能团对称变角振动模式(δ_(sCH3)-香油)、C-O官能团伸缩振动模式(ν_(C-O-香油))和CH_(2)官能团面内摇摆振动模式(ρ_(CH2)-香油)。研究发现,香油的主要成分是油脂、蛋白质及多糖。为香油结构研究建立一个方法学,具有重要的应用研究价值。The structure of sesame oil was studied using mid infrared(MIR) spectroscopy techniques(including one-dimensional MIR spectroscopy,second-order derivative MIR spectroscopy,fourth-order derivative MIR spectroscopy,and deconvolution MIR spectroscopy).The experiment found that the main infrared absorption modes of sesame oil structure include CH3functional group asymmetric stretching vibration mode(ν_(asCH_3-sesame oil)),CH_(2) functional group asymmetric stretching vibration mode(ν_(asCH_23-sesame oil)),CH_(3) functional group symmetric stretching vibration mode(ν_(sCH_3-sesame oil)),CH_(2) functional group symmetric stretching vibration mode(ν_(sCH_2-sesame oil)),C=O functional group stretching vibration mode(ν_(C=O-sesame oil)),protein structure amide Ⅰ band mode(ν_(Amide-Ⅰ-sesame oil)),C=C functional group stretching vibration mode(ν_(C=C-sesame oil)),protein structure amide II band mode(ν_(Amide-Ⅱ-sesame oil)),CH_(2) functional group bending vibration mode(δ_(CH_2-sesame oil)),CH_(3) functional group asymmetric bending vibration mode(δ_(asCH_3-sesame oil)),CH_(3) functional group symmetric bending vibration mode(δ_(sCH_3-sesame oil)),C-O functional group stretching vibration mode(ν_(C-O-sesame oil)) and CH_(2) functional group rocking vibration mode(ρ_(CH_2-sesame oil)).Research has found that the main components of sesame oil are fats,proteins,and polysaccharides.This study establishes a methodology for the identification of the structure of sesame oil,which has important application research value.

关 键 词：香油 结构 一维中红外光谱 二阶导数中红外光谱 四阶导数中红外光谱 退卷积中红外光谱 

分 类 号：O657.33[理学—分析化学]