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http://dx.doi.org/10.12791/KSBEC.2018.27.2.180

Effects of OTR Film Type on the Quality of Lepidium sativum L. Baby Leaf Vegetable during MA Storage  

Kim, Ju Young (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
Han, Su Jeong (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
Choi, In-Lee (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
Yoon, Jae Su (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
Moon, Young Hyun (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
Kim, Sang Min (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
Kang, Ho-Min (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
Publication Information
Journal of Bio-Environment Control / v.27, no.2, 2018 , pp. 180-184 More about this Journal
Abstract
This study was conducted to examine the effect OTR film type on the quality of garden cress (Lepidium sativum L.) baby leaf during MA storage. Garden cress harvested at baby leaf size of 10cm plant height packed with 1,300 cc, 10,000 cc, 20,000 cc, 40,000 cc, and $80,000cc{\cdot}m^{-2}{\cdot}day^{-1}{\cdot}atm^{-1}$ OTR (oxygen transmission rate) films and MP (micro-perforated) film, and then stored at $8^{\circ}C$ for 10 days. All of the OTR film treatments showed a decrease of 0.5% fresh weight until the storage end date and a 1.3% decrease in the MP film treatment. The oxygen concentration in the packaging during storage was maintained at 18% or more in 20,000 cc, 40,000 cc, and 80,000 cc OTR film treatments, while the 1,300 cc OTR film treatment decreased to 11% at the storage end date. And the concentration of carbon dioxide was steadily increased in the 1,300 cc and 10,000 cc OTR film treatments to show the levels of 4.5% and 3.4%, respectively, and the other OTR film treatments showed a concentration of less than 1%. Ethylene concentration in the package was maintained at the highest level of $3-5{\mu}L{\cdot}L^{-1}$ in the 1,300 cc treatment during the storage period. The lowest odor and the highest quality of appearance were observed in the 1,300 cc treatment, but the MP film treatment and the other OTR treatments lost marketable quality due to yellowing. The color of garden cress baby leaf was changed the lowest in 1,300 cc treatment that showed the highest chlorophyll content and Hue angle value, lowest $b^*$ value, present of yellowing at end of storage date. Therefore, 1,300 cc treatment which was most effective for yellowing and odor suppression during storage is considered to be suitable for packaging of garden cress baby leaf.
Keywords
off-odor; oxygen transmission rate; visual quality; yellowing;
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Times Cited By KSCI : 2  (Citation Analysis)
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