Table 1. The average of antioxidant actvity (DPPH-scavenging) of milk and kefir.

Milk and kefir	DPPH scavenging (%)
Goat milk	1.01±1.75a
Soy milk	10.71±1.13d
Goat milk Kefir	5.52±0.99bc
Goat milk : soy milk (75:25) kefir	3.70±2.33ab
Goat milk : soy milk (50:50) kefir	6.67±2.33bc
Goat milk : soy milk (25:75) kefir	7.74±3.29cd
Soy milk Kefir	8.08±1.23cd

Different letters (a, b) in the column indicated significant difference (p<0.01).