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KMID : 0352720050290010049
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Journal of Ginseng Research
2005 Volume.29 No. 1 p.49 ~ p.54
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Effects of Electron-Beam Irradiation on Lipid Stability of Ginseng
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이미경/Lee MK
최강주/김정숙/권중호/Choi KJ/Kim JS/Kwon JH
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Abstract
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Electron bean (EB), electrically produced from an electron accelerator, was compared with gamma ray (GR) in terms of its influence at doses from 0 to 15 kGy on the lipid stability of white and red ginseng powders. Irradiation (EB or GR) less than 10 kGy showed negligible effects on the composition of fatty acids in white and red ginseng powders. The thiobarbituric acid (TBA) value, however, increased with irradiation doses and storage time in both samples, which was more significant in red ginseng than white ginseng. Red ginseng revealed higher electron donating ability than white ginseng, even though there was insignificant difference between non-irradiated and irradiated samples irrespective of the post-irradiation storage for 4 months under room temperature as well as energy sources applied.
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