지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
The sample persimmons were obtained from the of Yung-am Kun, Korea on October 24, and November 9, 1973. These persimmons were kept at room temperature overnight, then packed and stored on the following day at 0℃ and 85~100 % humidity.
Seven experimental items were studied :
1. control, 2. packing with excelsior in wooden boxes, 3. packing with rice hull in wooden boxes, 4. packing in bags of 0.03 mm polyethylene membrane, 5. packing in bags of 0.06 mm polyethylene membrane, 6. packing in bags of 0.08 mm polyethylene membrane, 7. packing in sealed desiccators.
The dimension of polyethylene bags were 14×28 cm and three persimmons were packing in each bag.
The results are as follows:
1. The persimmons both in polyethylene bags and in desiccators lost only 1 % or less of weight, while in control (1) packing with excelsior (2) or with rice hull (3) the loss was 6-7 % in weight after 2~3 months. The persimmons became visibly shriveled and spongy-like in it's texture when it lost 5 % of weight.
2. Carbon dioxide content within the polyethylene bags and desiccators rapidly increased during the early storage period, and reached 5 % (in 0.03 mm polyethylene bags) to 50 % or more (in desiccator) after 1 month. In the polyethylene bags of 0.08 mm and desiccator, the carbon dioxide accumulated to a dangerous level and the persimmon showed physiological damage in a longer storage period.
3. The advance of after-ripening and deterioration of persimmon sealed in the polyethylene bags was slower than that in open bags when moved out to room temperature from the chilling and the polyethylene bags of 0.06 mm retarded the after-ripening most effectively.
4. On the basis of these results, a temperature of 0℃, relative humidity of almost 85~100% and combinations of 5 % oxygen and 5~8 % carbon dioxide seem to be the optimum condition for the storage of persimmon (Teabong-Si).
The most successful method of storing was to pack them in polyethylene bags of 0.06 mm and then to store them at 0℃.
Seven experimental items were studied :
1. control, 2. packing with excelsior in wooden boxes, 3. packing with rice hull in wooden boxes, 4. packing in bags of 0.03 mm polyethylene membrane, 5. packing in bags of 0.06 mm polyethylene membrane, 6. packing in bags of 0.08 mm polyethylene membrane, 7. packing in sealed desiccators.
The dimension of polyethylene bags were 14×28 cm and three persimmons were packing in each bag.
The results are as follows:
1. The persimmons both in polyethylene bags and in desiccators lost only 1 % or less of weight, while in control (1) packing with excelsior (2) or with rice hull (3) the loss was 6-7 % in weight after 2~3 months. The persimmons became visibly shriveled and spongy-like in it's texture when it lost 5 % of weight.
2. Carbon dioxide content within the polyethylene bags and desiccators rapidly increased during the early storage period, and reached 5 % (in 0.03 mm polyethylene bags) to 50 % or more (in desiccator) after 1 month. In the polyethylene bags of 0.08 mm and desiccator, the carbon dioxide accumulated to a dangerous level and the persimmon showed physiological damage in a longer storage period.
3. The advance of after-ripening and deterioration of persimmon sealed in the polyethylene bags was slower than that in open bags when moved out to room temperature from the chilling and the polyethylene bags of 0.06 mm retarded the after-ripening most effectively.
4. On the basis of these results, a temperature of 0℃, relative humidity of almost 85~100% and combinations of 5 % oxygen and 5~8 % carbon dioxide seem to be the optimum condition for the storage of persimmon (Teabong-Si).
The most successful method of storing was to pack them in polyethylene bags of 0.06 mm and then to store them at 0℃.
목차
Abstract
緖論
實驗材料 및 方法
實驗結果
考察
結論
References
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UCI(KEPA) : I410-ECN-0101-2009-511-018077335