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分子蒸餾技術(shù)富集獼猴桃籽油中α-亞麻酸的研究
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    摘要:

    采用分子蒸餾技術(shù)對獼猴桃籽油中的α-亞麻酸進(jìn)行了富集研究。通過正交試驗(yàn)對影響分子蒸餾的主要因素,，即蒸餾壓力、蒸餾溫度,、進(jìn)料速度,、刮膜轉(zhuǎn)速進(jìn)行了優(yōu)化，得到刮膜式分子蒸餾裝置富集獼猴桃籽油中α-亞麻酸的最佳工藝參數(shù)為：蒸餾壓力3.0Pa,，蒸餾溫度110℃,，進(jìn)料速度20滴/min，刮膜轉(zhuǎn)速400r/min,，在此條件下α-亞麻酸的質(zhì)量分?jǐn)?shù)提高到83.69%,；4級分子蒸餾后獼猴桃籽油中α-亞麻酸質(zhì)量分?jǐn)?shù)達(dá)到

    Abstract:

    86.27%,。The technology of enriching αlinolenic acid from kiwi fruit seed oil by molecular distillation has been studied. The influence of distillation pressure,，distillation temperature,，feed rate and agitating speed on the purity of α-linolenic acid were analyzed by the orthogonal test．The optimum operating conditions were determined，which is distillation pressure of 3.0Pa, distillation temperature of 110℃, feed rate of 20 drops/min and agitating speed of 400r/min. The content of α-linolenic acid of kiwi fruit seed oil reached up to 83.69% under the optimum conditions and α-linolenic acid was purified up to 86.27% by a four-stage molecular distillations.

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李婷婷,吳彩娥,許克勇,李元瑞.分子蒸餾技術(shù)富集獼猴桃籽油中α-亞麻酸的研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(5):96-99.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(5):96-99.

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