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논문 기본 정보

자료유형
학술저널
저자정보
Sang Un Park (충남대학교) Deok-Jong Ahn Hyeon-Jeong Jeon Tae Ryong Kwon Hyoun-Sub Lim (충남대학교) Bo-Seong Choi (영남대학교) Kwang-Hyun Baek (영남대학교) Hanhong Bae (영남대학교)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.36 No.2
발행연도
2012.4
수록면
198 - 204 (7page)

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초록· 키워드

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An light-emitting diode (LED)-based light source was used as a monochromatic light source to determine the responses of raw ginseng roots (Panax ginseng Meyer) to specifi c emission spectra with respect to the production of ginsenosides. The ginsenoside content in the ginseng roots changed in response to the LED light treatments at 25℃ relative to the levels in the control roots that were treated in the dark or at 4℃ for 7 d. Ginseng roots were exposed to LEDs with four different peak emission wavelengths, 380, 450, 470, and 660 ㎚, in closed compartments. Compared with the control 4℃-treated roots, roots that were treated with 450 and 470 ㎚ light showed a signifi cantly increased production of ginsenosides (p<0.05), with increases of 64.9% and 74.1%, respectively. The contents of the ginsenosides Rb2, Rc, and Rg₁ were signifi cantly higher (p<0.05) in the 450 and 470 ㎚-treated root samples. The ratio of protopanaxadiol ginsenosides (Rb₁, Rb₂, Rc, and Rd) to protopanaxatriol ginsenosides (Rg₁, Rg₂, Re, and Rf) was signifi cantly higher (p<0.05) in the 450 and 470 ㎚-treated root samples than in the control 4℃-treated roots. This is the fi rst report that demonstrates the increase and conversion of ginsenosides in raw ginseng roots in response to exposure to LED light.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
ACKNOWLEDGEMENTS
REFERENCES

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