Changes in lactic acid bacteria and components of Awa-bancha by anaerobic fermentation-Reference-Cited by-同舟云学术

Changes in lactic acid bacteria and components of Awa-bancha by anaerobic fermentation

Published:2020-09-01 Issue:9 Volume:84 Page:1921-1935
ISSN:0916-8451
Container-title:Bioscience, Biotechnology, and Biochemistry
language:en
Short-container-title:

Author:

Nishioka Hiroki¹²³,Mizuno Tomofumi⁴,Iwahashi Hitoshi⁵,Horie Masanori³

Affiliation:

1. Food and Biotechnology Division, Tokushima Prefectural Industrial Technology Center, Tokushima, Japan

2. United Graduate School of Agricultural Science, Gifu University, Gifu, Japan

3. Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Japan

4. The Graduate School of Natural Science and Technology, Gifu University, Gifu, Japan

5. Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan

Abstract

Abstract Awa-bancha is a post-fermented tea produced in Naka and Kamikatsu, Tokushima, Japan. We investigated the lactic acid bacteria in each stage of production of Awa-bancha and evaluated the relationships with the components. Lactic acid bacteria were isolated from tea leaves cultured with de Man, Rogosa, and Sharpe (MRS) agar plates, and the species were identified by homology of the 16 S rRNA gene and multiplex polymerase chain reaction (PCR) of the recA gene to distinguish the Lactobacillus plantarum group. As a result, a variety of species were isolated from the raw tea leaves, and Lactobacillus pentosus was isolated most frequently after anaerobic fermentation. Regarding the tea leaf components, organic acids, such as lactic acid, increased, free amino acids decreased, and catechins changed owing to anaerobic fermentation. Our results suggest that the microbial flora mainly composed of L. pentosus is important in the anaerobic fermentation process for flavor formation of Awa-bancha.

Publisher

Oxford University Press (OUP)

Subject

Organic Chemistry,Molecular Biology,Applied Microbiology and Biotechnology,General Medicine,Biochemistry,Analytical Chemistry,Biotechnology

Link

http://academic.oup.com/bbb/article-pdf/84/9/1921/36827305/bbb1921.pdf

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