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자료유형
학술저널
저자정보
강호민 (강원대학교) 최인이 (강원대학교) 김주영 ((주)비씨에스코리아)
저널정보
강원대학교 농업생명과학연구원(구 농업과학연구소) 농업생명환경연구 농업생명환경연구 제31권 제2호
발행연도
2019.1
수록면
57 - 63 (7page)

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This study was conducted to examine the effects of OTR film types on the quality during MA (modified atmosphere) storage of ‘Sheonhyang’ (Lactuca indica L.) baby leaf vegetable harvested at baby leaves size less than 10 cm plant height packed with 50 cc, 1,300 cc, 10,000 cc, 20,000 cc, 40,000 cc, and 80,000 cc/m-2/day-1/atm-1 OTR (oxygen transmission rate) films and MP (microperforated) film, and then stored at 8°C for 22 days. Fresh weight loss rate of all OTR film treatments showed a 1.1% until the storage end date, and MP treatment showed a 5.5% until the storage end date. The oxygen concentration in the packaging during storage period was maintained at 19% over in 20,000 cc, 40,000 cc, and 80,000 cc OTR film treatments, and the 50 cc OTR film treatment was maintained 15-16% during storage period. And concentration of the carbon dioxide was showed the highest at 50 cc treatments of 11% at the storage end date, and 1,300 cc, 10,000 cc OTR film treatments to show the levels of 7% and 5%, respectively, and the other OTR film treatment showed a concentration of less than 4%. Micro-perforated film treatment was showed more than 20% of oxygen concentration and less than 0.1% of carbon dioxide concentration at storage end date. Ethylene concentration in the package was maintained 1-4 μL/L-1 in the all treatments during the storage period, and tended to increase rapidly at 17 days of storage. The visual quality was maintained in the 50 cc, 1,300 cc treatments at end of storage date. The chlorophyll content and Hue angle value were surveyed highest at 50 cc and 1,300 cc treatments at the end of storage, and the b* value of yellow color was lowest in 50 cc and 1,300 cc treatments. The DPPH radical scavenging activity decreased with increasing oxygen permeability at the end of storage compared with before storage. Therefore, 1,300 cc OTR film treatment which was most effective for yellowing suppression and maintaining quality during storage is considered to be proper for packaging of ‘Sheonhyang’ (Lactuca indica L.) baby leaf vegetable.

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