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| Comparison of fatty acid composition,nutrients and oxidative stability between high oleic acid sunflower seed oil and oil-tea camellia seed oil |
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| DOI： |
| KeyWord:high oleic acid sunflower seed oil oil-tea camellia seed oil fatty acid composition characteristic index nutrient oxidative induction time shelf life |
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| Abstract: |
| The fatty acid composition, nutrients and oxidative stability of cold pressed high oleic acid sunflower seed oil and oil-tea camellia seed oil were compared. The fatty acid composition and content, characteristic indexes，contents of squalene, tocopherol and phytosterols, and oxidative induction time of the two oils were determined and the shelf lives were predicted. The results showed that the fatty acid composition and content, characteristic indexes of the two oils were close. The nutrients content in high oleic acid sunflower seed oil was higher than that in oil-tea camellia seed oil. The oxidative induction time of high oleic acid sunflower seed oil(peroxide value 0.399 mmol/kg)was nearly twice that of oil-tea camellia seed oil(peroxide value 2.992 mmol/kg), and the shelf lives at 25 ℃ and 15 ℃ were 1.7、4.9 times as long as those of oil-tea camellia seed oil. |
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