Baby and adult leaves of Lactuca indica postharvest behaviour

Lactuca indica L. ('Seonhyang') baby leaves were harvested after cultivation for 4 weeks (less than 10 cm plant height) and adults were cultivated for 8 weeks (20?5 cm plant height). The respiration rate and the ethylene production rate of Lactuca indica leaves were higher than those of the baby leaves but the DPPH radical scavenging ability was lower than baby leaves. The L?, a? and b ? values did not show any significant difference between baby leaves and adult leaves but the chlorophyll content was higher in adult leaves. All adult and baby leaves of Lactuca indica were stored at 2?C, 8?C, and 20?C, respectively. The higher the storage temperature, the higher the fresh weight loss rate and weight loss rate of adult leaves was lower at 2?C and 8?C. The visual quality of Lactuca indica leaves were determined by the panel test during storage and it deteriorated faster as the storage temperature increased. The shelf life that calculated the period of maintaining higher than 3 points of visual quality was longer than 1.6 days at 2?C, 1.4 days at 8?C and 1.5 days at 20?C. The oxygen and carbon dioxide concentrations within the package of Lactuca indica leaves were similar to those in atmosphere. The chlorophyll content was maintained higher at lower storage temperature in the last storage day and the off-odor was higher in baby leaves than in the adult leaves of Lactuca indica L. SourcesComparison of Post-Harvest Character and Storability at Several Temperature for Lactuca indica L. Baby and Adult LeavesKim, Ju Young; Han, Su Jeong;?Wang, Lixia;?Choi, In-Lee;?Kang, Ho-MinProtected Horticulture and Plant Factory (?????????),?Volume 28 Issue 2http://www.koreascience.or.kr/article/JAKO201914439302211.orghttps://doi.org/10.12791/KSBEC.2019.28.2.172 Picture by?Pinterest? ?