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| Effects of refining process on the quality of Acer truncatum seed oil |
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| KeyWord:Acer truncatum seed oil oil refining quality |
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| Abstract: |
| In order to provide guidance on the refining of Acer truncatum seed oil, the changes of the physicochemical indexes, fatty acids and beneficial concomitants (phytosterols, tocopherols) during the refining process were analysed. The results showed that the acid value, peroxide value and oxidation induction period of Acer truncatum seed oil decreased significantly (p<0.05) with the refining process, the fatty acid composition was not significantly changed (p>0.05), and the contents of phytosterols and tocopherols decreased significantly (p<0.05) from 950.3 mg/kg and 1 107.4 mg/kg in the crude oil to 569.9 mg/kg and 743.4 mg/kg in the deodorized oil, respectively. The loss rates of the phytosterols and tocopherols were 40.0% and 32.9%, respectively. The results indicated that refining could significantly affect the quality of Acer truncatum seed oil and the deodorization conditions should be effectively controlled to minimize the loss of beneficial concomitants. |
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