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KMID : 0381019770100020044
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Korean Journal of Nutrition
1977 Volume.10 No. 2 p.44 ~ p.53
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Studies on the Contents of Korean Plant Edible Oils and Fats
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高英秀/Ko, Young Su
張有慶/李孝枝/禹相圭/梁沮範/Chang, You Kyung/Lee, Hyo Jee/Woo, Sang Kyu/Yang, Cha Buym
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Abstract
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The Korean origin edible oil sterc´_ part of the rape, sesame and perilla oil can be separated from the other constituents ´ef the non-saponifiable fraction, by the thin;. layer chromatography on the preparative plates.
The composition of sterols have been determined -by gas -.liquid chromatography !and ´thin layer chromatographic anlysis.
Two sterols, , -sitosterol and campesterol were present in all of the oils. And brassicasterol were found in rapeseed oil in addition to the two sterols that were common to all of the ails studied-
It was noted that p-sitosterol was the major sterol in the Korean original edible oils.
The results showed that contents of sterols were campesterol 24. 31%, ~ -sitosterol´58.90% and Brassicasterol 11.54%, and L´-sterol 5. 25% by method of triangulation and campesterol 26.16%, p-sitosterol 57. 50106, brassicasterol 11.701% and L´-sterol 4.6.1,,o by method of planimetry of rape seed oil.
By sesame seed oil sterol compositions were campesterol 20.35,´, stigmasterol 9.15%, ~ -sitosterol 43.49%, L´-sterol 11. 25% and others . 15.76%1 by method of triangulation and campesterol 16.79%, stigmasterol 8. 691%, ~ -sitcsterol 44.58%, .7-sterol 14. 28% and others 15.56% by method of planimetry.
Campesterol 12.45%, stigmasterol S. 40961, (-sitosterol 72. 32% and L´-sterol 9.830´ by method of triangulation and campesterol 13. 00%, stigmasterol 3. 76%, p-sitosterol 74. 57,0´ and L7-sterol 8.67.0o by method of planimetry of perilla oil.
Contents of totalsterol in Korean edible oils were 0.82% by rape, 0.58% by sesame and 0.4500 by perilla, respectively.
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