基于智能感官和气质联用分析不同产地的蒜Analysis of Garlic from Different Producing Areas Based on Intelligent Sense and GC-MS
范波,王鹏,韩颖,胡金祥,易宇文
摘要(Abstract):
为探究A(山东)、B(云南)、C(江苏)、D(辽宁)产地大蒜品质的差异,实验采用色差仪、电子舌、电子鼻、气质联用结合主成分及数据融合、维恩图分析不同产地的大蒜在色差、滋味、气味、整体风味轮廓以及具体风味物质方面的差异。实验结果显示:A、B色差明显,C、D差异较小。电子舌滋味强度分析显示酸味、咸味和鲜味最强的分别是B、D、C。电子舌和电子鼻传感器数据融合主成分分析表明B、C较为相似,与A有一定相似度,与D差异较为明显;数据融合主成分分析还表明在评价大蒜风味时,大蒜气味所占权重更大,而滋味权重较小;数据融合聚类分析结果与数据融合主成分分析结果一致,且能够说明A与B、C更为相似。GC-MS分析结果表明,4个样品共检测到31种挥发性物质,A、B、C、D分别检测到12,21,18,17种,其含量分别为95.679%、95.357%、92.737%、88.893%。维恩图分析表明,不同产地的大蒜共有物质7种,均为含硫化合物。含硫化合物是不同产地大蒜的主要挥发性物质,分别占总含量的95.045%、93.866%、92.209%、87.346%;二烯丙基二硫醚、烯丙基甲基二硫醚是大蒜含硫化合物中最主要的物质,含硫化合物的种类和含量可能是不同产地大蒜的主要区别。
关键词(KeyWords): 大蒜;产地;GC-MS;智能感官;数据融合
基金项目(Foundation): 四川省教育厅资助项目(18TD0043);; 四川省科技厅应用基础项目(2019YJ0344);; 四川旅游学院校级重点项目(19SCTUZZ11);; 肉类加工四川省重点实验室(19-R-17)
作者(Author): 范波,王鹏,韩颖,胡金祥,易宇文
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