1-Methylcyclopropane 처리가 토마토 선도유지 효과 및 색소 변화에 미치는 영향 Effect of 1-Methylcyclopropene (1-MCP) Treatment on the Quality Characteristics and Pigmentation of Tomato Fruit (Lycopersicon Esculentum Mill.)원문보기
토마토 에틸렌 발생 억제제인 1-Methylcyclopropane(1-MCP) 처리 방법 및 저장 온도에 따른 토마토의 선도 유지 그리고 토마토 과색의 주요 성분인 엽록소 및 라이코펜 함량 변화에 미치는 영향을 조사하였다. 수확한 토마토는 무처리 그리고 $1.0{\mu}L/L$ 1-MCP를 사용하여 20시간 한번 처리 또는 매일 한 번씩 지속 처리를 통하여 각각 12, 17, $23^{\circ}C$에 저장하여 토마토의 색소 성분의 변화와 품질변화를 관찰하였다. 토마토 외피 색변화, 에틸렌 발생, 그리고 경도는 저장 온도가 높을수록 1-MCP 처리에 대한 품질변화 지연효과가 두드러짐을 확인할 수 있었으며 중량감모율은 저장 기간 동안 1-MCP처리 유무와 관계없이 서서히 증가하였으며, 저장온도가 높음에 따라 증가하는 차이를 보였다. 엽록소 및 라이코펜 함량 변화는 a specific extinction coefficient absorbance를 사용하여 관찰하였으며 각 저장 온도별 1-MCP 처리구가 엽록소 손실 및 라이코펜 형성에 지연에 매우 효과적이었다. 더욱이 매일 지속적인 1-MCP 처리구는 초기 한번 1-MCP 전처리구 보다 두드러진 숙도 변화가 낮아짐을 보여 주었으며 과피별로 pericarp 부분이 placenta 부분 보다 1-MCP 처리에 더 효과적인 것으로 나타내었다. 이는 표피를 접하고 있는 외부 환경 1-MCP 물질이 pericarp 부분에 sorption을 통해 직접적인 영향을 주었으리라 판단된다. 실험 결과 저온 온도에서 적정한 농도의 1-MCP를 매일 처리한 토마토의 품질 유지 및 색소 성분 변화에 중요한 역할을 하는 것으로 나타났다.
토마토 에틸렌 발생 억제제인 1-Methylcyclopropane(1-MCP) 처리 방법 및 저장 온도에 따른 토마토의 선도 유지 그리고 토마토 과색의 주요 성분인 엽록소 및 라이코펜 함량 변화에 미치는 영향을 조사하였다. 수확한 토마토는 무처리 그리고 $1.0{\mu}L/L$ 1-MCP를 사용하여 20시간 한번 처리 또는 매일 한 번씩 지속 처리를 통하여 각각 12, 17, $23^{\circ}C$에 저장하여 토마토의 색소 성분의 변화와 품질변화를 관찰하였다. 토마토 외피 색변화, 에틸렌 발생, 그리고 경도는 저장 온도가 높을수록 1-MCP 처리에 대한 품질변화 지연효과가 두드러짐을 확인할 수 있었으며 중량감모율은 저장 기간 동안 1-MCP처리 유무와 관계없이 서서히 증가하였으며, 저장온도가 높음에 따라 증가하는 차이를 보였다. 엽록소 및 라이코펜 함량 변화는 a specific extinction coefficient absorbance를 사용하여 관찰하였으며 각 저장 온도별 1-MCP 처리구가 엽록소 손실 및 라이코펜 형성에 지연에 매우 효과적이었다. 더욱이 매일 지속적인 1-MCP 처리구는 초기 한번 1-MCP 전처리구 보다 두드러진 숙도 변화가 낮아짐을 보여 주었으며 과피별로 pericarp 부분이 placenta 부분 보다 1-MCP 처리에 더 효과적인 것으로 나타내었다. 이는 표피를 접하고 있는 외부 환경 1-MCP 물질이 pericarp 부분에 sorption을 통해 직접적인 영향을 주었으리라 판단된다. 실험 결과 저온 온도에서 적정한 농도의 1-MCP를 매일 처리한 토마토의 품질 유지 및 색소 성분 변화에 중요한 역할을 하는 것으로 나타났다.
The quality attributes of tomato fruit ($Lycopersicon$$Esculentum$ Mill.) to treatments with 1-methylcyclopropene (1-MCP) were studied. Harvested tomato fruit was treated one time at the initiation of storage or once-a-day during storage with $1{\mu}L/L$ 1-MCP at di...
The quality attributes of tomato fruit ($Lycopersicon$$Esculentum$ Mill.) to treatments with 1-methylcyclopropene (1-MCP) were studied. Harvested tomato fruit was treated one time at the initiation of storage or once-a-day during storage with $1{\mu}L/L$ 1-MCP at different storage temperatures, 12, 17, and $23^{\circ}C$. The results showed that both lower temperature and duration of 1-MCP treatment played an important role in ripening of tomato fruit. The once-a-day 1-MCP treatment was presented to be very effective in delaying quality changes of tomato fruit. The amount of chlorophyll and lycopene were measured to assess the impact of 1-MCP and temperature treatments on ripening, using a specific extinction coefficient absorbance technique. Storing tomato fruit at $12^{\circ}C$ resulted in a longer ripening period (color change) than tomato fruit stored at $17^{\circ}C$ and $23^{\circ}C$. 1-MCP treatment was very effective in retarding chlorophyll degradation and lycopene formation in the pericarp tissue of the tomato fruit at the different storage temperatures. The 1-MCP treatments affected the total chlorophyll content in different fruit tissues of the pericarp and placenta. Exposure of tomato fruit to 1-MCP gas at $12^{\circ}C$, using the once-a-day treatment, was highly effective in delaying pigment and color change.
The quality attributes of tomato fruit ($Lycopersicon$$Esculentum$ Mill.) to treatments with 1-methylcyclopropene (1-MCP) were studied. Harvested tomato fruit was treated one time at the initiation of storage or once-a-day during storage with $1{\mu}L/L$ 1-MCP at different storage temperatures, 12, 17, and $23^{\circ}C$. The results showed that both lower temperature and duration of 1-MCP treatment played an important role in ripening of tomato fruit. The once-a-day 1-MCP treatment was presented to be very effective in delaying quality changes of tomato fruit. The amount of chlorophyll and lycopene were measured to assess the impact of 1-MCP and temperature treatments on ripening, using a specific extinction coefficient absorbance technique. Storing tomato fruit at $12^{\circ}C$ resulted in a longer ripening period (color change) than tomato fruit stored at $17^{\circ}C$ and $23^{\circ}C$. 1-MCP treatment was very effective in retarding chlorophyll degradation and lycopene formation in the pericarp tissue of the tomato fruit at the different storage temperatures. The 1-MCP treatments affected the total chlorophyll content in different fruit tissues of the pericarp and placenta. Exposure of tomato fruit to 1-MCP gas at $12^{\circ}C$, using the once-a-day treatment, was highly effective in delaying pigment and color change.
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문제 정의
The objective of this study was to investigate the influence of 1-MCP treatments on the quality evaluation of tomato fruit and focus on changes in the major pigments during storage. The experiments were conducted at three different storage temperatures: 12, 17, and 23℃.
제안 방법
Appropriate comparisons of 1-MCP treatments and storage time on the quality of tomato fruit were made using a Tukey test for multiple comparisons by a one-way analysis of variance (p<0.05).
The objective of this study was to investigate the influence of 1-MCP treatments on the quality evaluation of tomato fruit and focus on changes in the major pigments during storage. The experiments were conducted at three different storage temperatures: 12, 17, and 23℃. The tomato fruit was treated in one of two ways, 1 μL･L-1 1-MCP “once-a-day”, for a continuous 1-MCP exposure application, or a one-time application at the same 1-MCP concentration.
대상 데이터
Fresh ‘Plum dandy’ tomato fruit (Lycopersicon Esculentum Mill.) grown during the summer of 2004 at the Horticulture Teaching and Research Center (HTRC) in Holt, MI were picked by hand and immediately transported to the laboratory for these studies.
성능/효과
It is assumed that the results of these studies would enable better treatment and delivery system for controlled exposure of 1-MCP, and optimum storage life of fresh produces. The pigment studies should also improve our understanding of the effectiveness of 1-MCP of change in tomato color affected by ethylene.
The results showed that the formation of lycopene in the pericarp and placenta tissues of single 1-MCP treated tomato fruit was significantly less affected than the lycopene in the once-a-day 1-MCP treated tomato fruit. The lycopene content in the pericarp tissue of 1-MCP treated tomato fruit was lower than that in the placenta tissue.
Once-a-day 1-MCP exposure of tomato fruit also delayed lycopene formation during storage. The results showed that the tomato fruit with once-a-day 1-MCP treatment had a relatively lower level of lycopene than the control and one-time 1-MCP treated fruit at 17℃ and 23℃. In the present study, the lycopene content of fully ripened tomato fruit was similar to the lycopene content of red stage tomatoes found in the tomatoes by Moretti et al.
후속연구
This could be due to the 1-MCP compound may effectively block the active receptor, which causing pigment development in the pericarp tissue of the tomato fruit regarding ethylene–related response. Our results also suggest that the potential effect of 1-MCP treatment in other tomato cultivars or different delivery systems can be evaluated to provide a better understanding of the relation between the contents of two major pigment components during storage.
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