compares the antioxidant DPPH scavenging effects of soymilk yogurt extracts. Soymilk extracts, in general, possessed high antioxidant activity. Interestingly, antioxidant activity of soymilk incubated at room temperature for 48 h decreased by nearly 4% (from 89.1 to 85.8%), whereas antioxidant activity soymilk cultured with active Kefir cultures for a similar period increase by nearly 4% (to 92.3%