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Citation: Yan Yan, Zheng Goudong, Fang Chiguang, Gou Ying, Li Shaomin, Duan Weiliang. Purification of γ-Linolenic Acid from Seed Oil of Borage[J]. Chinese Journal of Applied Chemistry, ;1996, 13(6): 64-66. shu

Purification of γ-Linolenic Acid from Seed Oil of Borage

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Department of Chemistry, Jilin University, Changchun 130022
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Received Date: 25 March 1996
Available Online: 21 June 1996
Fund Project:

The borage seed,containing 32% of fatty acids(FA) was extracted for getting from its oil 22.55% γ-linolenic acid (GLA),After separations through methods of urea occlusion and AgNO₃SiO₂ column chromatograghy, GLA contents can reach 80.4% and 93.7% respectively.The GLA content in products was determined by gas chromatograghy after esterification with iodomethane.The effects of urea,Ag⁺ and temperature during the separation process were discussed.When urea/FA=3:1,t=2℃ in the urea occlusion and AgNO₃/(SiO₂+AgNO₃)=6%,the best separation of GLA from borage seed oil may be obtained.
- borage,
- γ-linolenic acid,
- purification,
- urea occlusion,
- chromatograghy
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