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http://dx.doi.org/10.3746/jkfn.2008.37.2.231

Effect of Water Temperature and Packing Type on Quality of Fresh-Cut Sesame Leaf  

Kim, Byeong-Sam (Korea Food Research Institute)
Chang, Min-Sun (Korea Food Research Institute)
Park, Shin-Young (Korea Food Research Institute)
Cha, Hwan-Soo (Korea Food Research Institute)
Kwon, Ki-Hyun (Korea Food Research Institute)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.37, no.2, 2008 , pp. 231-238 More about this Journal
Abstract
Quality attributes of fresh-cut sesame leaf (Perilla frutescens var. japonica) as affected by hydrocooling and packing were investigated in terms of weight loss, respiration, vitamin C content, total chlorophyll content, microbial load and sensory properties during storage at 4 and $10^{\circ}C$. Fresh sesame leaf was trimmed and washed with cold water (1, $5^{\circ}C$) as well as tap water ($13^{\circ}C$) for 30 sec 3 times and then packaged in PP (polypropylene) film bag and PETE (polyethylene terephthalate) tray, and stored for 9 days at 4 and $10^{\circ}C$. Weight loss was decreased by washing and packing. Respiration rate was increased slowly over the storage at $4^{\circ}C$. Vitamin C content and total chlorophyll contents of sesame leaf packaged within PETE tray decreased gradually during storage. Hydrocooling and packing within PETE tray treatments resulted in approximately $1{\sim}2\;log\;CFU/g$ reduction of microbial load.
Keywords
fresh-cut sesame leaf; hydrocooling; packing; quality;
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