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| Effects of three natural antioxidants on oxidative stability of Gardenia fruit oil |
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| DOI： |
| KeyWord:Gardenia fruit oil oxidative stability natural antioxidant synergist |
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| Abstract: |
| Using peroxide value as evaluation index, the effects of three natural antioxidants (vitamin E, tea polyphenols and rosemary extract) and two synergists (vitamin C and critic acid) on the oxidative stability of Gardenia fruit oil were investigated by Schaal oven experiment. The results showed that the three antioxidants could improve the oxidative stability of Gardenia fruit oil in different degree, among which rosemary extract had the best antioxidative effect. Rosemary extract with vitamin C or critic acid showed great synergistic antioxidative effect and the synergistic effect of vitamin C was better than that of critic acid. The oxidative stability of Gardenia fruit oil added with 0.06% rosemary extract and 0.02% vitamin C was better than that of Gardenia fruit oil added with 0.005% TBHQ. |
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