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KMID : 1098420190270060383
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Korean Journal of Medicinal Crop Science
2019 Volume.27 No. 6 p.383 ~ p.389
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Changes in Growth Characteristics, Biological Activity and Active Compound Contents in Ginseng of Different Ages
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Moon Ji-Won
Jang In-Bae
Yu Jin
Jang In-Bok
Suh Soo-Jung
Lee Seong-Woo
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Abstract
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Background: Ginseng has been used as a medicine and functional food since ancient times. It is a perennial crop, and its whose commercial valuse increases with growing period and is affected by the atmosphere and soil environment.
Methods and Results: In a selected field, we measured air temperature under a shade structure and soil physicochemical properties, and determied plant and root growth as well as ginsenoside and total polyphenol content of one- to five-year-old ginsengs plants. Although air temperature above 30℃ was recored for more than 37 days, no marked growth inhibition of ginseng was detected. Among all soil physicochemical properties, except for pH, were within the allowable range the shortage increases with ginseng years. In five-year-old ginseng, the quantity is about 9.7% higher than the average weight by standard, indicating that is not affected by temperature when grown under a shade structure. Three-year-old ginseng contained the highest total ginsenoside and total polyphenol levels and exhibited the greatest DPPH radical scavenging activity.
Conclusions: The total ginsenoside and protopanaxadiol/protopanaxatriol ratio were both low at five-year-old ginseng plants, which was attributed to rapid growth of the root system in five-yearoid plants. There were no significant differences in total polyphenol content and antioxidant activity between.
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KEYWORD
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Panax ginseng C. A. Meyer, Antioxidant, Ginsenoside, Growth Characteristics, Polyphenols
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