Microbiological Analyses of Traditional Alcoholic Beverage (Chhang) and its Starter (Balma) Prepared by Bhotiya Tribe of Uttarakhand, India
2016
Bhardwaj, Kailash N. | Jain, Kavish Kumar | Kumar, Sandeep | Kuhad, Ramesh Chander
Present article depicts microbiology of starter (Balma) used in traditional solid-state fermentation of alcoholic beverage (Chhang) by Bhotiya tribe of Uttarakhand. It also highlights the importance of herbs in Balma preparation and kinetics of lactic acid and ethanol fermentation under Chhang preparation using Balma. Balma contains 214 × 10⁶ cfu/g yeasts, 2.54 × 10⁶ cfu/g lactic acid bacteria (LAB) and 1.4 × 10⁶ cfu/g other mesophilic bacteria. ITS sequence analysis revealed a rich diversity of yeast comprising of Saccharomyces cerevisiae, Saccharomycopsis fibuligera and Saccharomycopsis malanga in Balma. 16S rDNA sequence analysis revealed Lactobacillus pentosus and Pediococcus pentosaceus among LAB, while amylolytic Bacillus subtilis and B. aerophilus among other bacteria in Balma. Based on the results, it is speculated that herbs such as Inula cuspidata, Micromeria biflora, Origanum vulgare, Rubus sp. and Thymus linearis used earlier by Bhotiya in Balma preparation contribute as a source of yeasts, LAB and amylolytic bacilli. Study also demonstrates that Bhotiya tribe is rational in preparation of starter as they have circumvented the need of plants by using previous year Balma as inoculum and possibility of deficient quality of Balma due to weak colonization of phyllosphere and rhizosphere microbiota. Results suggest that simultaneous saccharification and lactic acid–ethanol fermentation take place in traditional cereal based Chhang fermentation system of Bhotiya.
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