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芝麻品种和制油工艺对芝麻油品质的影响

2023-04-09

以黑、白芝麻为原料，采用水代法、螺旋压榨法、液压压榨法工艺所得芝麻油的理化指标、脂肪酸组成、芝麻油中VE、芝麻素、芝麻酚含量和氧化稳定性进行了测定。

结果显示：水代法所得芝麻油的酸值（KOH）和磷脂含量最低，而水分及挥发物含量最高；所有芝麻油样品均含有丰富的抗氧化成分芝麻素、芝麻酚和VE；所有芝麻油样品的脂肪酸组成接近，其中油酸和亚油酸含量高达83.4%；白芝麻油氧化稳定性明显优于黑芝麻油，水代法所得芝麻油氧化稳定性最好，液压压榨芝麻油次之，螺旋压榨芝麻油最差。

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