Table 1. Content of secondary structure elements of bovine liver catalase (BLC) with and without of quercetin at room temperature .

Molar rate of BLC to quercetin	Secondary structure (%)
	α-Helix	β-Sheet	β-Turns	Random coil
2:0	26.4	21.7	18.1	33.8
2:10	29.5	20.2	17	33.3
2:20	30.3	19.1	18.8	33.6