白藜芦醇对油脂抗氧化作用的研究

Study of Anti-oxidation of Resveratrol in Oil

以花生油、猪油为底物,以过氧化值为指标,研究了白藜芦醇对油脂的抗氧化性能。结果表明,白藜芦醇对动植物油脂均有显著的抗氧化活性;在白藜芦醇浓度为120、2403、60 mg/kg 3种油样中,240 mg/kg的油样表现出最强的抗氧化活性,在对猪油的抗氧化试验中,白藜芦醇的抗氧化效果强于同浓度的茶多酚。

The antioxidative effects of the resveratrol were measured by Na2S2O3-I2 titrimetric method with POV as an index using peanut oil and lard as substrates. The experiment results showed that the resveratrol has re markable antloxidative activity in animal fat and vegetable oil. In the concentration experiment with 100, 200 and 300 ppm adding to the oil, 200 ppm sample demonstrated thc strongest antioxidative activity, and even stronger than the same concentration of tea polyphnol.