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연구보문 : 자연과학 ; 저장온도에 따른 단기저장 석류과실의 품질변화
박문영 ( Moon Young Park ),최현석 ( Hyun Sug Choi ),조윤섭 ( Youn Sup Cho ),조혜성 ( Hye Sung Cho ),김은식 ( Eun Sik Kim ),정병준 ( Byeong Joon Jeong ),나양기 ( Yang Ki Na ),국용인 ( Yong In Kuk ),정석규 ( Seok Kyu Jung ) 한국국제농업개발학회 2012 韓國國際農業開發學會誌 Vol.24 No.3
This study was conducted to evaluate the effect of storage temperature on short term (40 days) storage pomegranate (Punica granatum L.) fruit quality produced in Korea. The pomegranate fruit were stored at 1oC, 5oC, 10oC, and room temp. (20±2oC). The fruit quality at intervals of 10 days was measured 40 days. Fruit weight loss ranged from 8.7 to 10.7% on storage at 1, 5, and 10oC for 40 days, however room temperature-storage resulted in 19.2% of weight loss. Fruit soluble solids contents and acidity were not different according to storage temperatures for 40 days. Fewer decay fruit was observed at the lower storage temperature at any storage days. Decay fruit was not observed at 1oC for 40 days, however frequency of decay fruit was 60% in the room temperature. Fruit weight loss was not different between normal and dehiscent fruit, however the decay was increased by the dehiscent fruit as the storage period was advanced.
박용서(Yong-Seo Park),박문영(Moon-Young Park),조윤섭(Youn-Seop Jo) 한국원예학회 2005 원예과학기술지 Vol.23 No.1
비파 수확기 및 저장온도에 따른 저장중 품질변화를 조사한 결과를 요약하면 다음과 같다. 저장중 과실 경도는 처리간 차이가 없었으나 외관은 수확기가 늦을수록, 온도가 높을수록 저하되는 경향을 보였다. 식미는 수확기가 빠를수록 저장온도가 높을수록 감소하는 경향을 보였다. 과피의 Hunter L* 및 b* 값은 저장후기 심하게 감소하는 경향을 보였는데 수확시기나 저장온도에 따른 차이는 없었다. 반면, a* 값은 수확시기에 따라 심한 차이를 나타냈다. 부패과율은 수확시기가 빠를수록, 저장온도가 높을수록 높은 경향을 보였다. 호흡량 및 에틸렌농도는 수확시기가 빠를수록, 저장온도가 높을수록 높았다. 아세트알드하이드와 알콜함량은 6월 21일 수확과와 0℃ 저장과에서 낮아지는 경향을 보였다. 비파를 수확 적기(6월 21일)에 수확해서 0℃에 저장시 외관증진과 함께 부패과율 감소로 저장력이 증진되었다. This experiment was conducted to examine the effects of harvest date (June 17, June 21, and June 25) and storage temperature (0, 5, 10℃) on the shelf life in loquat fruits (Eriobotrya japonica Lindly cv. Tanaka). Changes in flesh firmness were not different among treatments, but visual appearance was affected by harvest date and storage temperature. Sensory value decreased with storage time in fruits harvested early and stored at high temperature. Skin Hunter L* and b* values significantly decreased at the end stage of storage regardless of harvest dates or storage temperatures, while a* value increased with delaying harvest date. Decay rate increased with delaying harvest date and rising storage temperature. Ethylene and CO₂ concentrations were significantly increased in early harvest (June 17) and at high storage temperature (10℃). Acetaldehyde and ethanol concentrations were reduced when fruits were harvested on June 21 and stored at 0℃. Storage of fruits harvested on June 21 at 0℃ extended the shelf life by improving visual quality and reducing fruit decay.
변지은(Jieun Byeon),김희성(Hee-sung Kim),박문영(Moon-young Park),이경무(Kyoung-mu Lee),홍명근(Mueng-Gun Hong),최예용(Ye-yong Choi) 한국환경보건학회 2020 한국환경보건학회지 Vol.46 No.4
Objective: This study was designed to estimate the precise nationwide number of those who used humidifier disinfectants (HDs) and experienced specific health effects, including death, due to exposure to HDs in Korea between 1994 and 2011. Methods: A total of 5,000 households (15,472 people) were surveyed by stratifying the sample with a design that is equivalent to nationally approved household systematic sampling and face-to-face interviews from October 16, 2019 to December 30, 2019. Results: The proportion of use of humidifier disinfectants at home was 18.4% (2,844/15,472 people) and the proportion of those who experienced health effects among those who were exposed to HDs was 10.7% (303/ 2,844 people). Based on these factors, it was estimated that 8.94 million people (95% CI=8.25-9.63 million) were exposed to HDs and 0.95 million people (95% CI=0.87-1.02 million) experienced health effects, which means almost one in five and one in fifty Koreans respectively. The estimated number of deaths from HDs were 20,366 people (95% CI=18,801-21,931). Conclusion: The survey was large and analyzed a representative sample across the country, so this estimation of the nationwide population exposed and at risk to HDs is more accurate and reliable than previous studies. However, it is necessary to confirm whether results similar to those of this study can be reproduced through a survey using a cross-sectional survey at the national level. In particular, a survey focused on death cases is needed.