期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 68, 期 -, 页码 202-207出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.lwt.2015.12.023
关键词
Lactobacillus plantarum; Lactococcus lactis; Satoumi; Fermented milk; Fermented soymilk
资金
- Ministry of Education, Science, Sports and Culture, Japan [25450300]
- Towa Foundation for Food Science & Research (Tokyo, Japan)
- Warehouse TERRADA, Tokyo, Japan
- Grants-in-Aid for Scientific Research [25450300] Funding Source: KAKEN
The Ministry of the Environment, Government of Japan, defines a Satoumi as a coastal area where biological productivity and biodiversity has increased through human intervention. To identify new starter cultures, we isolated and screened lactic acid bacteria (LAB) with acid resistance and lactose-utilising ability from 94 algal or plant samples obtained from five Satoumi regions in Japan. Among the 138 LAB isolates, 10 were identified as acid (pH 5.0)-tolerant and milk and/or soymilk-fermenting LAB. Among these, six isolates were identified as Lactobacillus plantarum, and four were identified as Lactococcus lactis, respectively. Of the selected strains, only two strains, Lc. lactis Miura-SU2 and Lc. lactis Boso-SU1, lowered milk pH and produced curd. Lc. lactis Miura-SU2 imparted a suitable flavour to the fermented milk. All of the 10 selected LAB showed soymilk fermentation capability. In addition, a suitable flavour was imparted to fermented soymilk by Lc. lactis Miura-SU2. Fermentation by Lb. plantarum Tennozu-SU1 clearly increased the superoxide anion radical scavenging capacity of soymilk. These results suggest that Lc. lactis Miura-SU2 and Lb. plantarum Tennozu-SU1 have potential for use as starter cultures and/or functional components for fermented milk and/or soymilk production. (C) 2015 Elsevier Ltd. All rights reserved.
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