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Abstract
Different types of herbal yogurts were developed by mixing standardized milk with pretreated herbs, namely tulsi leaf (Ocimum sanctum), pudina leaf (Mentha arvensis) and coriander leaf (Coriandrum sativum), with leaves separately and a 1:1(v/v) mixture of the strains of lactic starter cultures—Lactobacillus acidophilus (NCIM 2903) and Lactobacillus plantarum (NCIM 2083)—followed by incubation at 40°C for 6h. The β-galactosidase enzymatic activity of the abovementioned herbal yogurts was determined and interestingly noted to exhibit higher enzymatic activity compared with the control yogurt (without any herbs). Among all herbal yogurts, tulsi yogurt had the maximum β-galactosidase activity.