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KMID : 1160620100150040275
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Preventive Nutrition and Food Science
2010 Volume.15 No. 4 p.275 ~ p.281
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Comparison of Seed Oil Characteristics from Korean Ginseng, Chinese Ginseng (Panax ginseng C.A. Meyer) and American Ginseng (Panax quinquefolium L.)
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Zhu Xue-Mei
Hu Jiang-Ning
Shin Jung-Ah
Lee Jeung-Hee
Hong Soon-Teak
Lee Ki-Teak
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Abstract
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The chemical characteristics of seed oils of Asian ginseng (Panax ginseng C.A. Meyer) at different ages grown in Korea (3, 4 and 5-year old) and China (5-year old), and American ginseng (Panax quinquefoliu L., 5-year old) grown in China were compared. Total fatty acid composition showed a significantly higher oleic acid content in American (87.50%) than in Korean (68.02～69.14%) and Chinese ginseng seed oils (61.19%). At the sn-2 position, the highest oleic acid (81.09%) and lowest linoleic acid (15.77%) were found in American ginseng seed oil. The main triacylglycerol species in ginseng seed oils were triolein (OOO) and 1,2-dioleoyl-3-linoleoyl-glycerol (LOO)/1,3-dioleoyl-2-linoleoyl-glycerol (OLO). In addition, the seed oils possessed an ideal oxidative stability showing 16.55～23.12 hr of induction time by Rancimat test. The results revealed that ginseng seed oil could be developed as a new healthy edible oil, and that the oil’s chemical characteristics were strongly associated with the ginseng species and habitats.
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KEYWORD
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ginseng seed oil, fatty acid composition, triacylglycerol, chemical characteristics, oxidative stability
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