Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Analysis of Quality Changes and Losses to Indicate Storability of 'Campbell Early' Grape as Related to Marketing Conditions

유통조건을 반영한 '캠벨얼리' 포도의 저장력 설정을 위한 품질변화와 손실 분석

Ha, Seung-Yeun;Hwang, Yong-Soo;Yang, Yong-Joon;Park, Youn-Moon
하승연;황용수;양용준;박윤문

  • Published : 20080900
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Abstract

Changes in instrumental quality attributes and storage losses were evaluated during four-month refrigerated storage of ‘Campbell Early’ grape (Vitis labruscana B.) to determine storage potential. Grapes were harvested twice in late August and stored at 0 and -1℃ followed by simulated marketing for 3 and 6 days at 20 and 7℃, respectively. Flesh firmness was the only instrumental quality factor showing relatively consistent decreases as storage period extended, thus regarded as a reliable indicator of storage potential. Significant factors affecting quality and storage losses were; harvest maturity on flesh firmness and decay, and shelf temperature on firmness, berry shattering, and decay. Changing pattern of flesh firmness together with the incidence of shattering (<10%) and decay (<5%) indicated that storage potential of ‘Campbell Early’ grape was 2 to 3 months. Storage potential could be extended by selectively applying low shelf temperature and shortening marketing period.

‘캠벨얼리’ 포도의 4개월 저온저장 중 기기분석 품질요인, 종합식미 및 손실발생률을 조사하여 저장한계기간을 설정하였다. 포도는 8월 하순에 2회에 걸쳐 수확한 후 0, -1℃에 저장하였고 저장 후에는 20℃ 상온과 7℃ 저온에서 3일 및 6일 유통과정을 거친 후 품질을 조사하였다. 기기분석 품질인지 중에서는 과육경도가 유일하게 저장기간 중 지속적인 감소 경향을 보여 저장한계기간 판정에 적합한 것으로 조사되었다. 처리요인의 영향에 대한 3원분산분석 결과, 수확시기는 과육경도와 부패발생률에 대해, 유통온도는 과육경도, 탈립률 및 부패발생률에 대해 유의수준에서 영향을 미치는 것으로 나타났다. 저장온도는 종합식미에 다소의 영향을 미쳤으나 일관된 경향이 없었다. 과육경도의 변화, 부패발생률(5% 미만), 및 탈립률(10% 미만)을 고려한 ‘캠벨얼리’ 포도의 저장한계기간은 2~3개월로 평가되었고 유통온도와 유통기간을 조절함으로써 연장이 가능한 것으로 판단되었다.

Keywords

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