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| Antioxidant activity of Prunus mongolica seed kernel oil |
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| KeyWord:Prunus mongolica seed kernel oil antioxidant activity |
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| Abstract: |
| The antioxidant activity of Prunus mongolica seed kernel oil was studied using anisidine value method recommended by ISO 6885:1998, conjugated olefin value method and three different free radical scavenging methods. The results showed that the p-anisidine value of Prunus mongolica seed kernel oil maintained lower lever, and the daily increment was 0.03 during 390 d sealed dark storage at 4?℃, which indicated that Prunus mongolica seed kernel oil had longer deterioration induction period. The content of conjugated diene increased significantly, while the content of conjugated triene was in a minimal within 15 months storage at room temperature. High temperature treatment leaded to oil further oxidation, and the content of conjugated triene increased. The degree of further oxidation increased with the storage time prolonging. Prunus mongolica seed kernel oil had strong scavenging ability for superoxide anion radical, hydroxyl radical and DPPH radical. |
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