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Title: Limitation and good practices for breakage of cold chain on cos lettuce (Lactuca sativa var. longifolia)
Authors: Damorn Bundhurat
Pichaya Poonlarp
Viboon Changrue
Danai Boonyakiat
Nadthawat Muenmanee
Chaipichit Chuamuangphan
Warintorn Maneewan
Keywords: Earth and Planetary Sciences
Environmental Science
Issue Date: 8-Sep-2020
Abstract: © The Authors, published by EDP Sciences, 2020. An effect of breaking the cold chain on cos lettuce (Lactuca sativa var. longifolia) had been studied in this research. Cos lettuce was taken under cold chain system at 4°C. Imitating the exposure to high temperature in hot country, cos lettuce was put out in the 25, 30, 35,and 40C atmosphere for 15, 30, 45 and 60 min. Product life, weight loss percentage, change of colour and chlorophyll content were measured to investigate quality degradation of cos lettuce. The limitation and good practices cos lettuce which had to go through cold chain breakage were acquired. From the results, it is recommended that cos lettuce should not exposed to temperature higher than 25C for longer than 30 min in order to maintain acceptable quality and freshness close to absolute cold chain, considered from degradation of weight, colour and chlorophyll. Degree of temperature had influences on degrading levels of cos lettuce. Exposing to temperature higher than 35C would degrade its quality and freshness and reduce storage life and should be avoid in any cases.
ISSN: 22671242
Appears in Collections:CMUL: Journal Articles

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