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Black pearl Grapes are highly nutritious and one of the richest sources of polyphenols, but due to being delicate with very high loss at harvest and during distribution, is not consumed adequately. This study intended to develop functional lactic acid starter culture based fermented grapes beverage, in order to improve the quality and stability of this low pH fruit and to develop a fermented non-dairy beverage. Results showed that grapes blend was an excellent matrix for LAB growth with more than 9.38 log10 CFUml-1 of viability at the end of fermentation. LAB fermentation affectedly enhanced the total polyphenols and flavonoids content. Likewise, antioxidants capacities based on DPPH and FRAP activity were considerably increased correlating with each other, impacting the color and sensory properties of the grapes beverage. This way, the lactic acid fermentation can be considered as an appropriate tool for developing black pearl grapes based novel bio-intervention with enhanced antioxidants, polyphenols and flavonoids with anti-proliferative activity and antagonistic efficacy against recurring food borne pathogen in this post-antibiotic era.


Black Pearl Grapes Non-dairy Lactic acid fermentation Lactic Acid Bacteria Beverage

Article Details

How to Cite
Modi, R. ., Kaur, I. ., & Sahota, P. . (2022). Lactic acid bacteria as an adjunct starter culture in the development of metabiotic functional black pearl grapes beverage. Environment Conservation Journal, 23(3), 71–80.


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