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Effect of Coating Material and Storage Temperature on the Quality Characteristics of Lentinus edodes Mushroom (Chamgsongi)  

Bae, In-Young (Department of Food and Nutrition, Hanyang University)
Lee, Yoo-Jin (Department of Food and Nutrition, Hanyang University)
Kim, Eun-Suh (Department of Food and Nutrition, Hanyang University)
Lee, Su-Yong (Department of Food Science & Technology and Carbohydrate Bioproduct Research Center, Sejong University)
Park, Hyuk-Gu (Hana Natural Substance Institute, Hanabiotech Ltd.)
Lee, Hyeon-Gyu (Department of Food and Nutrition, Hanyang University)
Publication Information
Korean Journal of Food Science and Technology / v.42, no.6, 2010 , pp. 682-687 More about this Journal
Abstract
The effects of various coating materials (alginate, 0.3%; xanthan gum, 0.05%; chitosan, 0.8%) and storage temperatures (4, 12, $25^{\circ}C$) on the shelf-life of Lentinus edodes mushroom were investigated in terms of weight loss, color, polyphenoloxidase (PPO) activity, and texture profiles. Out of the three coating materials tested in this study, chitosan was effective in maintaining the color, PPO activity, and texture of the mushrooms during storage for 6 days at $12^{\circ}C$. Moreover, when stored at 4, 12, and $25^{\circ}C$ for 6 days, the chitosan spray-coated mushrooms stored at $4^{\circ}C$ had higher Lvalues and lower ${\Delta}E$. Also, lower temperature storage inhibited PPO activity in the mushrooms and prevented the loss of textural properties during storage. Therefore, the shelf-life of Lentinus edodes mushroom can be further extended two-fold by spray-coating with chitosan and storing at a lower temperature ($4^{\circ}C$).
Keywords
Lentinus edodes; coating material; storage temperature; shelf-life;
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