压榨法制备牡丹籽油的α
摘要： 介绍了物理压榨法制备牡丹籽油的方法，且对制备出的牡丹籽油和市售牡丹籽调和油进行了α-亚麻酸（ALA）含量检测以及对两种牡丹籽油的抗氧化性能进行对比分析。研究结果表明，牡丹籽油的α-亚麻酸含量为43.12%，牡丹籽调和油α-亚麻酸含量为29.99%；清除DPPH自由基能力牡丹籽油是调和油的1.29倍；清除ABTS自由基能力牡丹籽油是调和油的1.51倍；对Fe2+还原能力牡丹籽油是调和油的3.62倍；清除-OH自由基能力牡丹籽油是调和油的1.44倍。说明牡丹籽具有更强的抗氧化能力。
关键词: 牡丹籽油, 牡丹籽调和油, α-亚麻酸, 抗氧化
Abstract: The peony seed oil was prepared by physical pressing method, and the content of alpha-linolenic acid(ALA) in the obtained peony seed oil and the market peony seed blending oil was determined, and the antioxidant properties of the two peony seed oil were compared and analyzed. The results showed that the content of alpha-linolenic acid in peony seed oil and peony seed blending oil was 43.12% and 29.99%, respectively. The scavenging capacity of DPPH free radical, the scavenging capacity of ABTS, the reducing capacity of Fe2+ and the scavenging capacity of -OH free radical of peony seed oil were stronger than that of peony seed blending oil, which were 1.29, 1.51, 3.62 and 1.44 times, respectively. It indicated that peony seed oil has stronger antioxidant ability.
Key words: peony seed oil, peony seed blending oil, alpha-linolenic acid, antioxidant
中图分类号:
S685.11
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