Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Effects of Storage Temperature on Quality of Fresh Ginseng during Distribution

수삼의 저장온도가 유통 중 품질에 미치는 영향

  • 이지현 (농촌진흥청 국립원예특작과학원 저장유통연구팀) ;
  • 최지원 (농촌진흥청 국립원예특작과학원 저장유통연구팀) ;
  • 홍윤표 (농촌진흥청 국립원예특작과학원 저장유통연구팀) ;
  • 김금숙 (농촌진흥청 국립원예특작과학원 인삼특작부)
  • Received : 2015.09.23
  • Accepted : 2015.11.02
  • Published : 2015.12.30
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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 $30{\mu}m$ low density polyethylene (LDPE) film, then stored at 0, -2 and $-4^{\circ}C$. After 4 weeks of storage, ginseng was then stored at $5^{\circ}C$, as a simulation of the distribution process. Ginseng stored at $-4^{\circ}C$ showed higher respiration rate, ethylene production and electrolyte conductivity during the distribution phase than those stored at 0 and $-2^{\circ}C$. Decay and browning rate rapidly increased following 3 weeks of distribution in samples stored $-4^{\circ}C$. However ginseng stored $-2^{\circ}C$, 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 $-2^{\circ}C$ can negatively affect respiratory characteristics and electrolyte leakage and increase quality deterioration and decay rates during distribution.

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References

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