The common and unique microbiota in Sabah’s traditional rice wine starter cultures (Sasad)

Meiwei Koay, and Hui, Yin Fan and Michael, Clemente Vui Ling Wong (2024) The common and unique microbiota in Sabah’s traditional rice wine starter cultures (Sasad). Sains Malaysiana, 53 (2). pp. 307-319. ISSN 0126-6039


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Rice wine is an alcoholic beverage produced through the fermentation of cereal grains, mainly rice, with microbial starters consisting of fungi and bacteria. However, the microbes in the rice wine starter cultures have never been documented comprehensively except for a few studies that looked into culturable microbes. Hence, their exact core microbiota contents, especially those unculturable microbes remained unknown. Therefore, this research aimed to identify the fungal and bacterial communities in sasad through ribosomal amplicon-based next-generation sequencing and analysis that captured both the culturable and unculturable microbiota. The results showed that two fungal phyla (Mucoromycota and Ascomycota) with five genera (Mucor, Rhizopus, Saccharomycopsis, Wickerhamomyces, and Kodamaea) and two bacterial phyla (Proteobacteria and Firmicutes) with 10 genera (Kosakonia, Weissella, Enterobacter, Lactococcus, Pseudomonas, Bacillus, Chromobacterium, Paludibacterium, Enterococcus, and Gluconobacter) were identified as the core microbiota (relative abundance > 1.00%) in the sasad samples. Some of these microbes have been reported in other starter cultures, but some are unique to the sasad (Chromobacterium and Paludibacterium). Hence, this research provides the first comprehensive report on the microbes in sasad and provides important insights into the potential roles of core microbiota. These data may be used to facilitate the development of starter cultures with defined microbial compositions for the consistent production of safe and high-quality rice wines in the future.

Item Type:Article
Keywords:Microbiota; Rice wine; Starter culture
Journal:Sains Malaysiana
ID Code:23644
Deposited By: Siti Zarenah Jasin
Deposited On:07 Jun 2024 03:03
Last Modified:10 Jun 2024 08:38

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