모의유통 환경에서 동양배 품질에 미치는 수확 후 칼슘, Lysophosphatidyl ethanolamine (LPE), 1-Methylcyclopropene (1-MCP) 처리의 영향Effects of Postharvest Treatments of Calcium, Lysophosphatidyl ethanolamine (LPE), and 1-Methylcyclopropene (1-MCP)on the Fruit Quality during Simulated Marketing in Asian Pears (Pyrus pyrifolia Nakai)
- Authors
- Lee, Ug-Yong; Choi, Jin-Ho; Lee, Jin-Wook; Kim, Joonyup; Kim, Ui-Dong; Chun, Jong-Pil
- Issue Date
- Oct-2018
- Publisher
- (사) 한국생물환경조절학회
- Keywords
- 경도; 생리장해; 호흡률; 가용성고형물; firmness; physiological disorder; respiration; soluble solids
- Citation
- 시설원예‧식물공장, v.27, no.4, pp 312 - 318
- Pages
- 7
- Journal Title
- 시설원예‧식물공장
- Volume
- 27
- Number
- 4
- Start Page
- 312
- End Page
- 318
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/2417
- DOI
- 10.12791/KSBEC.2018.27.4.312
- ISSN
- 2288-0992
2288-100X
- Abstract
- ‘황금배’에서 염화칼슘 침지 처리에 따른 유통 중 품질을 조사한 결과, 0.5% 염화칼슘 처리구가 20.5-21.3N 으로 다소 높게 유지되었다. 과피색의 변화에 있어 적색도인 a*은 무처리구는 -2.62로 가장 높았고, 염화칼슘+ 초음파 처리구가 -3.03~-4.13으로 가장 낮아 과피의 녹색소실이 지연되었다. 유통환경에서 가장 많이 발생한생리장해는 과육갈변으로 무처리구 과실에서 지수 28로가장 높았고, 0.5% 농도에서는 침지 13, 초음파병행구10으로 유의하게 낮았다. FSD 발생은 무처리구에서 지수 9로 칼슘처리구에 비해 발생이 높았고 과심갈변 발생은 처리간 유의한 차이를 볼 수 없었다. ‘원황’를 대상으로 리소포스파티딜에탄올아민(LPE)의 수확 후 처리효과를 1-MCP 처리와 비교 조사한 결과, 과실 경도는1-MCP 처리구는 유통과정 중 33N 이상으로 일정하게유지되는 등 유통 중 경도저하가 낮았으나 유통 21일에LPE 처리구에서 29.04N으로 다소 낮았다. 생리장해 발생에 있어 1-MCP 처리구는 유통 14일까지 유의하게 생리장해 발생지수가 낮아 효과적이었는데 유통 21일에FSD 발생이 무처리구 및 LPE 처리구에 비해 2배 증가한 결과를 제외하고는 전반적으로 생리장해 발생이 유의하게 낮았다. 한편, LPE 처리구는 무처리구에 비해서는생리장해 지수가 낮았으나 1-MCP에 비해서는 상대적으로 높은 결과를 보였다.
We investigated the effect of postharvest treatments of calcium chloride, lysophosphatidyl ethanolamine (LPE) or 1-methylcyclopropene (1-MCP) on fruit quality during simulated marketing in Asian pear (Pyrus pyrifolia Nakai). ‘Whangkeumbae’ pear fruits were immersed in 0.25, 0.5 or 1.0% CaCl2 solution with or without ultrasound (40kHz) at 25oC for 3min followed by storage at 1oC for 30 days simulated as abroad exportation. After simulated marketing at 25oC and 80% relative humidity (RH) up for 10 days, quality parameters were evaluated. Results indicated that the ultrasound and CaCl2 treatment had a synergic effect on keeping the green skin color which showed lower a* value. The combination treatment of ultrasound and 0.5% and 1.0% CaCl2 significantly reduced internal browning disorders, although severe skin blemish disorder (20-23%) occurred in 1.0% CaCl2 treatment. ‘Wonhwang’ pears were immersed in 1,000ppm LPE for 3 minutes or were fumigated in 1,000 ppb 1-MCP for 12 hours, respectively. The results of the fruit quality survey during the 21 days of distribution period are as follows. The 1MCP treatment was maintained at a constant flesh firmness of 33N or higher during the distribution period. The LPE treated fruits had a lower physiological disorder index than the untreated group, but showed a relatively higher value than the 1-MCP treated group. In the case of 1-MCP treatment, the fruit respiration rate was significantly lower than of untreated control (6.0 mL·kg-1·hr-1) during the simulaed marketing period. Consequently, it was expected that the postharvest treatments of 0.5% calcium chloride in pararell with ultrasound and 1-MCP fumigation can help to maintain Asian pear quality during distribution period.
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