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KMID : 0352719870110010039
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Journal of Ginseng Research
1987 Volume.11 No. 1 p.39 ~ p.45
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Effect of Growth Temperature on the Composition of Leaf Lipids in Panax ginseng
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Abstract
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Fznax ginseng (6 year old) was grown 17C/ 15C and 27C day/23C night in the light room of phytotron for 84 days. The composition of neutral lipid(NL), glycohpid(GL), phospholipid(PL) and fatty acids were investigated in leaves. The con-tents of NL and GL were higher in 250C while PL was lower. Similarity (simple correlation) of lipid composition between 16C and 25Cwas not significant for PL and GL but significant for NL(p = 0.001), indicating that PL and GL were important factors in ther mostability. Similarity of fatty acid composition between growth temperatures was highly significant (p = 0.001) for all three lipids, while similarity between lipids was significant between NL and PL (p = 0.01) and NL and GL (p = 0.05), but nonsignificant between GL and PL at 16C. In NL digalactosyldiacylglycerol (3--*7) increased but monogalactosyldiacylglycerol (10%) did not change at 25C. In PL phosphatidic acid (22 --3- 4%) and phosphatidylinositol (18 -+ 5%) decreased but phosphatidyl ethanolamine (12-->16%) increased at 25C. Percent unsaturated acid slightly decreased in NL and PL but greatly increased in GL at. 25 C. Percent unsaturated bond slightly decreased in NL but did not change in PL and GL.
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KEYWORD
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