固相微萃取结合气-质分析东北大酱的挥发性成分

被引:18
作者
孙洁雯
李燕敏
刘玉平
机构
[1] 北京工商大学北京市食品风味化学重点实验室食品质量与安全北京实验室食品营养与人类健康北京高精尖创新中心
基金
北京市自然科学基金;
关键词
东北大酱; 挥发性成分; 固相微萃取; 气-质联用;
D O I
暂无
中图分类号
O657.63 [质谱分析]; TS264.24 [];
学科分类号
070302 [分析化学];
摘要
采用固相微萃取结合气-质联用分析东北大酱的挥发性成分,并考察了提取时间和提取温度对挥发性成分提取效果的影响。结果表明,提取时间为40 min、提取温度为60℃时对东北大酱的挥发性成分提取效果较好。从东北大酱中共鉴定出28种挥发性成分,相对含量占总流出物的89.02%,包括酮类3种(相对含量为53.57%)、酸类3种(相对含量13.36%)、醇类2种(相对含量13.20%)、酯类8种(相对含量3.57%)、酚类2种(相对含量2.44%)、醛类5种(相对含量1.55%)、其他类5种(相对含量1.33%)。其中苯乙醛、3-辛酮、2,3,5,6-四甲基吡嗪、愈创木酚、4-乙烯基-2-甲氧基苯酚等挥发性成分对东北大酱整体香气贡献较大。
引用
收藏
页码:139 / 142
页数:4
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