Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Effect of High CO2 Short-term Treatment on the Respiration Characteristics and Quality of Broccoli

녹색꽃양배추의 수확 후 고농도 CO2 단기처리가 호흡 특성 및 품질에 미치는 영향

Jeong, Cheon-Sun;Park, Jong-Nam;Kyeong, Jang-Hyeon
정천순;박종남;경장현

  • Published : 20060000
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Abstract

Respiration characteristics and quality changes in broccoli as affected by high CO2 treatment was investigated. Broccoli florets were exposed to high CO2 (≒ 100%) for 0, 3, 6 and 10 h at room temperature (about 26℃) and then stored at room temperature. The respiration and ethylene productions were decreased remarkably by all treatments except control treatment during storage period. Ascorbic acid content in broccolis florets exposed to high CO2 was decreased rapidly compared to that in control treatment. After 2 days of storage, yellowing appeared rapidly in the control and in the 3 h high CO2 treatments. However, yellowing was inhibited remarkably in 6 and 10 h treatments. The chlorophyll content was the highest in broccoli florets exposed to 100% CO2 for 6 h. As a results of sensory test such as discoloration, wilting, texture, decay and off-flavour, the market quality remained 2 days in control and 3 h treatments and it extended up to 4 days in 6 and 10 h treatments. But off-flavour was observed in broccoli florets exposed for 10 h to 100% CO2.

본 연구는 수확 후 상온유통기간에 신선도 연장을 위한 고농도 CO2 단기처리가 녹색꽃양배추의 호흡 특성 및 품질에 미치는 영향에 대해 알아보고자 수행하였다. 녹색꽃양배추는 100% CO2 처리 시 무처리구를 제외한 모든 처리구에서 저장기간 동안 호흡률과 에틸렌 발생량이 현저히 감소하였다. Ascorbic acid 함량은 무처리에 비해 고농도 CO2 처리에 의해 빠르게 감소되었다. 황화정도는 CO2 처리 2일째부터 무처리구와 3시간 처리구에서 급격히 진행된 반면, 6시간 및 10시간 처리구에서는 현저히 억제되었다. 엽록소 함량은 황화진행정도와 유사한 경향을 보였으며, 6시간 처리구에서 가장 많은 함량을 유지하였다. 관능검사 결과, 유통가능 기간은 무처리 및 3시간 처리구 2일, 6시간 및 10시간 처리구는 4일로 각각 나타났다. 그러나 10시간 처리는 약간의 이취 발생을 초래하였다.

Keywords

References

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