HR-LCMS based metabolite profiling, antioxidant activity and microbial study of haria from the North Dinajpur district of West Bengal, India

Q1 Environmental Science

Bioresource Technology Reports Pub Date : 2025-02-01 DOI:10.1016/j.biteb.2025.102020

Rabiul Alam , Jasmin Aktar Mazumder , Soumitra Das , Pradeep Kumar Das Mohapatra

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Abstract

Haria is a mild alcoholic fermented beverage of tribal and economically backward communities in West Bengal, India. Every year many health hazards have been reported related to the consumption of local beverages. To address this issue, an effort has been taken to study haria through HR-LCMS and found the presence of 60 compounds of which 37 were identified. These metabolites belong to antimicrobial and antioxidant, alkaloid, lipid and peptide etc. A few hazardous synthetic compounds like fertilizer and insecticide residues were also found. Antioxidant property of haria against DPPH showed a good free radical scavenging activity. The sample had a pH 2.6, alcohol content 5.2 % ABV and total titrable acidity 0.76. The microbial load of haria is 5.4 × 10⁷ CFU/mL. The predominant microbes were identified as Saccharomyces cerevisiae and Enterobacter sp. Haria, free from pesticide residues and hazardous microbial contamination, becomes a nutritious and energy rich drink.

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