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Position: Home > Articles > Enrichment of α-Linolenic Acid from Seed Oil of Kiwi Fruit Based on Urea Adduction Fractionation Method Transactions of the Chinese Society for Agricultural Machinery 2005,36 (5) 63-66+70

尿素包合法富集猕猴桃籽油中α-亚麻酸

作  者:
吴彩娥;许克勇;李元瑞;罗贵华;李婷婷
单  位:
山西农业大学食品科学与工程学院;西北农林科技大学食品科学与工程学院
关键词:
猕猴桃籽油;α-亚麻酸;尿素包合法;富集
摘  要:
对尿素包合法富集猕猴桃籽油中α-亚麻酸的技术进行了研究。采用单因素试验和正交试验,考察尿素包合反应中温度、时间、溶剂配比等对产品α-亚麻酸含量的影响。结果表明:脂肪酸与尿素及溶剂的比例、包合温度、包合时间等条件对α-亚麻酸含量有很大影响。当脂肪酸、尿素、95%乙醇质量比为1∶3∶7,包合温度为-15℃,包合时间为15h时,产品α-亚麻酸含量可达87.2%。
译  名:
Enrichment of α-Linolenic Acid from Seed Oil of Kiwi Fruit Based on Urea Adduction Fractionation Method
作  者:
Wu Caie 1 Xu Keyong 1 Li Yuanrui 1 Luo Guihua 1 Li Tingti ng 2 (1. Northwest A&F University 2. Shanxi Agricultural University)
关键词:
Kiwi fruit seed oil, α-linolenic acid, Urea adduction, Enrichment
摘  要:
Enriching and purifying methods of α-linolenic acid from Kiwi fruit seed oil b y urea adduction were investigated in this paper. The results from both the sing le factor and orthogonal experiments indicated that the level of urea, the ratio of solvent, the operation temperature, and adduction time were all the remarkab le factors influencing α-linolenic acid content. The enriching condition for t he maximum content of α-linolenic acid, up to 87.2%, is of fatty acid∶urea∶ ethanol=1∶3∶7, adducting temperature -15 ℃, and adducting time 15 hours.

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