牦牛干巴和黄牛干巴挥发性风味特征与差异分析

被引:15
作者
沙坤 [1 ,2 ]
郭江南 [1 ]
郎玉苗 [1 ]
张泽俊 [3 ]
李海鹏 [1 ]
孙宝忠 [1 ]
机构
[1] 中国农业科学院北京畜牧兽医研究所
[2] 中国农业大学烟台研究院食品与葡萄酒学院
[3] 中国农业大学食品科学与营养工程学院
关键词
牦牛干巴; 黄牛干巴; 挥发性成分; 电子鼻; 气相色谱-嗅闻-质谱联用;
D O I
暂无
中图分类号
TS251.52 [];
学科分类号
083203 ;
摘要
为分析和鉴定牦牛干巴和黄牛干巴中的特征性风味成分,采用电子鼻和固相微萃取(SPME)/气相色谱-嗅闻-质谱联用(GC-O-MS)方法分析了其中的挥发性风味成分。电子鼻检测结果表明,2组样品之间的风味差异显著(p<0.05)。2组样品中共鉴定出54种挥发性化合物,其中,牦牛干巴和黄牛干巴中分别鉴定出42种和50种。2组样品中共有成分38种,包括12种烃类、7种醛类、8种醇类、3种酮类、2种呋喃类、1种酯类和5种其他类,其中,13种成分含量差异显著(p<0.05)。烃类在牦牛干巴的风味组成中含量最高,而醛类在黄牛干巴的组成中含量最高。二氢化茚、十六烷、乙酸乙酯、乙酸-2-乙基己酯4种成分是牦牛干巴中的特有成分,3-甲基丁醛、反-2-辛烯醛、反式-2-壬烯醛、4-乙基苯甲醛、3-甲基丁醇、反式-2-癸烯醇、反式-2-辛烯醇、1-壬醇、苯乙醇、醋酸乙烯基酯、己酸乙酯、草蒿脑12种成分是黄牛干巴中的特有成分,这些物质是2组产品的主要差异性物质。脂肪氧化、氨基酸的Strecker降解及微生物代谢是牛干巴产品风味形成的主要来源。本研究将为牛干巴风味品质评价、生产工艺的控制、产品的标准化等提供理论依据。
引用
收藏
页码:233 / 239
页数:7
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