Microbial Profiling of Malera and Phab: Starters Used for Preparing Traditional Fermented Foods and Beverages in Himachal Pradesh, India

Author(s): Vipasha Sharma, Sampan Attri, Rishi Mahajan, Gunjan Goel*.

Journal Name: Current Nutrition & Food Science

Volume 15 , Issue 7 , 2019

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Abstract:

Background: Traditional fermented food preparation uses customary processing methods passed on from generation to generation under natural conditions. These fermented foods use native flora without being aware of the significant role of microbes involved in the fermentation process. Therefore, the present study aimed to determine the bacterial composition of traditional starters used in different fermented food preparations in Himachal Pradesh region India.

Methods: The study investigated the bacterial DGGE (Denaturating Gradient Gel Electrophoresis) profile targeting V3 region of 16S rRNA of two traditional starters known as Malera and Phab. The starters are used in the preparation of fermented cereals product known as bhaturoo and alcoholic beverages. The Shannon diversity and richness were calculated from DGGE profile. The 16S rRNA gene sequences of identified bacterial species were deposited in NCBI database.

Results: The DGGE profile identified eleven and seven different bacterial strains in Malera and Phab, respectively. The Shannon diversity index of 1.07 and 0.94 was obtained for Malera and Phab, respectively. The bacterial population was dominated by different strains of Bifidobacterium sp. in both the starters along with the presence of non lactic enterobacteriacae members such as Klebsiella sp. and a pathogenic strain of Dickeya chrysanthemi.

Conclusion: The study is the first report on microbial profiling of microflora of starters. A careful examination of individual components and method of preparation of the starters should be taken to avoid contamination by pathogens.

Keywords: Bifidobacteria, fermented foods, PCR-DGGE, traditional starters, Malera, Phab.

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Article Details

VOLUME: 15
ISSUE: 7
Year: 2019
Page: [707 - 711]
Pages: 5
DOI: 10.2174/1573401314666181016123558
Price: $65

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