The most antioxidant activity based on DPPH, was reported about 69 percent in the sample 1which contained the highest amount of extract, And also the increasing of the overall counts of probiotic bacteria were seen in the samples with wild thyme extracts. According to the remarkable antioxidant activities in samples containing wild thyme extracts, we can consider this yogurt as a functional food. Although there wasn’t a significant difference in respect to majority of sample’s characteristics such as color, flavor and appearance among samples and the number of storage days, but the acceptance level of produced product among assessors was quite high.
Keywords: Probiotic, yogurt, wild thyme extract, lactobacillus casei, prebiotic, symbiotic.