永川豆豉发酵过程中总糖和氨基酸变化与滋味的形成

doi:10.7506/spkx1002-6630-201521020

食品科学

永川豆豉发酵过程中总糖和氨基酸变化与滋味的形成

索化夷1,2，赵欣3，骞宇3，陈娟4，李键4，张玉1,2，王远微1，阚建全1,2,*

1.西南大学食品科学学院，重庆 400715；2.重庆市特色食品工程技术研究中心，重庆 400715；
3.重庆第二师范学院生物与化学工程系，重庆 400067；4.西南民族大学青藏高原研究院，四川成都 610041

出版日期:2015-11-15 发布日期:2015-12-03

Changes in Total Sugar and Amino Acids, and Formation of Taste Compounds in Yongchuan Douchi during Fermentation

SUO Huayi1,2, ZHAO Xin3, QIAN Yu3, CHEN Juan4, LI Jian4, ZHANG Yu1,2, WANG Yuanwei1, KAN Jianquan1,2,*

1. College of Food Science, Southwest University, Chongqing 400715, China;
2. Chongqing Engineering Research Center of Regional Food, Chongqing 400715, China;
3. Department of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, China;
4. Institute of Qinghai-Tibetan Plateau, Southwest University for Nationalities, Chengdu 610041, China

Online:2015-11-15 Published:2015-12-03

摘要/Abstract

摘要：

通过采集传统发酵过程中的永川豆豉样本，对其总糖、还原糖、糖化酶活性、总氨基酸、游离氨基酸构成进行测定。结果表明，在成品豆豉游离氨基酸中，鲜味氨基酸占总游离氨基酸的23.98%，鲜味风味突出。豆豉中甜味氨基酸和还原糖共同构成了其回甜的滋味特点。豆豉中短链脂肪酸和乳酸使其呈现一定的酸味，酚类物质和苦味氨基酸呈现一定的苦味。这些最终决定了永川毛霉型豆豉的特有的咸鲜回甘风味特点。

关键词: 永川豆豉, 总糖, 氨基酸, 滋味形成

Abstract:

Yongchuan Douchi, a typical representative of Mucor-type Douchi, is popular among consumers due to its tasty
flavor. In this study, the contents of total sugar, reducing sugar, total amino acids and free amino acids and glucoamylase
activity in Douchi samples from the traditional fermentation process were determined. The results suggested that the
delicious amino acids responsible for the distinct flavor accounted for 23.98% of total free amino acids in refined Douchi.
The sweet aftertaste of Douchi mainly was attributed to the combination of the sweet amino acids and reducing sugar. The
short-chain fatty acids and lactic acid in Douchi contributed to its sour taste, while phenolic compounds and bitter amino
acids were responsible for its bitter taste. All these factors determine the unique flavor and sweet aftertaste of Yongchuan
Mucor-type Douchi.

Key words: Yongchuan Douchi, total sugar, amino acids, formation of taste compounds

中图分类号:

TS214.2

索化夷，赵欣，骞宇，陈娟，李键，张玉，王远微，阚建全. 永川豆豉发酵过程中总糖和氨基酸变化与滋味的形成[J]. 食品科学, doi: 10.7506/spkx1002-6630-201521020.

SUO Huayi1,2, ZHAO Xin, QIAN Yu, CHEN Juan, LI Jian, ZHANG Yu, WANG Yuanwei, KAN Jianquan. Changes in Total Sugar and Amino Acids, and Formation of Taste Compounds in Yongchuan Douchi during Fermentation[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201521020.

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永川豆豉发酵过程中总糖和氨基酸变化与滋味的形成

Changes in Total Sugar and Amino Acids, and Formation of Taste Compounds in Yongchuan Douchi during Fermentation

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