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CHANGES IN ANGIOTENSIN I-CONVERTING ENZYME INHIBITORY ACTIVITIES DURING THE RIPENING OF DOUCHI (A CHINESE TRADITIONAL SOYBEAN PRODUCT) FERMENTED BY VARIOUS STARTER CULTURES
被引:43
|作者:
Li, Feng-Juan
[1
,2
]
Yin, Li-Jun
[1
]
Lu, Xin
[1
]
Li, Li-Te
[1
]
机构:
[1] China Agr Univ, Coll Food Sci & Nutr Engn, Beijing 100083, Peoples R China
[2] Tianjin Univ Sci & Technol, Key Lab Food Nutr & Safety, Minist Educ, Tianjin, Peoples R China
关键词:
Douchi;
Angiotensin I-converting enzyme (ACE) inhibitory activity;
Starter cultures;
Ripening;
PEPTIDES;
PURIFICATION;
HYDROLYSATE;
ANTIOXIDANT;
EXTRACTS;
PROTEIN;
VITRO;
SUFU;
D O I:
10.1080/10942910802688176
中图分类号:
TS2 [食品工业];
学科分类号:
0832 ;
摘要:
Angiotensin I-converting enzyme (ACE) inhibitory activities of commercial douchi were determined, and salt-fermented samples were found exhibiting higher activities than dandouchi. Douchi was prepared in laboratory scale by pure culture fermentation. Results showed that ACE inhibitory activity in bacteria-type douchi decreased during maturation, while it increased in fungi-type douchi, with the highest activity observed in Aspergillus oryzae fermented douchi after ripening for 30 days. These suggested that the type of starters affected significantly the generation of ACE inhibitors during douchi ripening. Sensory evaluation showed that A. oryzae produced more organoleptically acceptable douchi than other cultures used in this study.
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页码:512 / 524
页数:13
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