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Viability of free and encapsulated probiotics in yogurt. Viability (Log 10 CFU/ml) of free (unencapsulated) and encapsulated (with Sodium alginate and carrageenan) probiotic bacteria (Lactobacillus acidophilus) in yogurt during storage intervals (0, 7, 14, 21 days). Each bar represents mean value for the viability of probiotics
