수삼의 저장온도가 유통 중 품질에 미치는 영향
Effects of Storage Temperature on Quality of Fresh Ginseng during Distribution
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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.
Abstract
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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