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September 22, 2019  |  

Bacterial microbiota composition of fermented fruit and vegetable juices (jiaosu) analyzed by single-molecule, real-time (SMRT) sequencing

Authors: Ma, Da and He, Qiuwen and Ding, Jia and Wang, Huiyan and Zhang, Heping and Kwok, Lai-Yu

Commercially manufactured ‘jiaosu’ (fermented fruit and vegetable juices) have gained popularity in Asia recently. Like other fermented products, they have a high microbial diversity and richness. However, no published study has yet described their microbiota composition. Thus, this work aimed to obtain the full-length 16S rRNA profiles of jiaosu using the PacBio single-molecule, real-time sequencing technology. We described the bacterial microbiota of three jiaosu products purchased from Taiwan and Japan. Bacterial sequences from all three samples distributed across seven different phyla, mainly Proteobacteria, Firmicutes, Actinobacteria, and Bacteroidetes. Forty-three genera were identified (e.g. Ochrobactrum, Lactobacillus, Mycobacterium, and Acinetobacter). Fifty- five species were identified (e.g. Ochrobactrum lupini, Mycobacterium abscessus, Acinetobacter john- sonii, Lactobacillus paracasei, Lactobacillus delbrueckii, and Petrobacter succinatimandens). No patho- gen sequences were identified within the entire dataset. Moreover, only a low proportion of sequences represented common skin microflora and the food hygiene indicator Escherichia/ Shigella, suggesting overall acceptable sanitary conditions during the manufacturing process.

Journal: CyTA - Journal of Food
DOI: 10.1080/19476337.2018.1512531
Year: 2018

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