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KMID : 1098420150230060000
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Korean Journal of Medicinal Crop Science
2015 Volume.23 No. 6 p.0 ~ p.9413
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Effects of Storage Temperature on Quality of Fresh Ginseng during Distribution
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Lee Ji-Hyun
Chio Ji-Weon
Hong Yoon-Pyo
Kim Geum-Soog
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Abstract
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Background : This study was conducted to determine out the effect of storage temperature on the quality of fresh ginseng (Panax ginseng C. A. Meyer) during distribution.
Methods and Results : Fresh ginseng was washed, packed in 30 ㎛ low density polyethylene (LDPE) film, then stored at 0, ?2 and ?4℃. After 4 weeks of storage, ginseng was then stored at 5℃, as a simulation of the distribution process. Ginseng stored at ?4℃ showed higher respiration rate, ethylene production and electrolyte conductivity during the distribution phase than those stored at 0 and ?2℃. Decay and browning rate rapidly increased following 3 weeks of distribution in samples stored ?4℃. However ginseng stored ?2℃, which is below freezing point, for 4 weeks did not show the physiological change or quality deterioration. Ginsenoside contents decreased during storage for all plant, but did not differ significantly between storage temperatures.
Conclusions : Storage at temperatures below ?2℃ can negatively affect respiratory characteristics and electrolyte leakage and increase quality deterioration and decay rates during distribution.
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KEYWORD
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Panax ginseng C. A. Meyer, Fresh Ginseng, Quality, Respiration, Storage Temperature
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