The evaluate method to the pigment’s activity
of antiperoxidate of fat Taken 6 shares of 10 g
lard into conical flasks, and added 5 mL samples of
various concentration gradient (added 5 mL distilled
water into blank test and 5 mL 0.1 mg mL-1 Vc instead
of sample into control experiment) and chloroform-acetic
acid (3:2) 30 mL mixtured into each
flask. Then placed them in the constant incubator
in (60 ± 1)°C after well-mixed to test the peroxide
value (POV) every two days according to GB/T
5538-2005/ISO 3960:2001 (Standardization Administration
of the People’s Republic of China 2005).