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http://dx.doi.org/10.3746/jkfn.2008.37.10.1312

Prevention of Quality Changes in the Cultured Wild Ginseng During Storage  

Whang, Jong-Hyun (Division of Food and Biotechnology, Chungju National University)
Yu, Kwang-Won (Division of Food and Biotechnology, Chungju National University)
Park, Sung-Sun (Dept. of Food and Nutrition, Sungshin Women's University)
Koh, Jong-Ho (Dept. of Bio-Food, Korea BioPolytechnic College)
Oh, Sung-Hoon (Dept. of Food and Biotechnology, Ansan College of Technology)
Suh, Hyung-Joo (Dept. of Food and Nutrition, Korea University)
Lee, Sang-Hwa (Dept. of Food and Nutrition, Seowon University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.37, no.10, 2008 , pp. 1312-1317 More about this Journal
Abstract
Physicochemical changes were investigated for the shelf-life extension of cultured wild-ginseng roots during storage with various pre-treatments with blanching, CAMICA-SD and DF-100 and treatments with citric acid and vitamin C. The pH of cultured wild-ginseng roots showed the range of $6.06{\sim}6.42$ at $10^{\circ}C$, but showed higher ranges of $6.08{\sim}6.91$ and $6.08{\sim}8.68$ at 20 and $30^{\circ}C$, respectively. Browning index (a/b) was increased with increasing storage temperature, and the index at 10 and $30^{\circ}C$ were 0.405 and 0.469 after 2 weeks, respectively. Browning index and viable cell number of CAMICA-SD pre-treatment showed little changes compared to pre-teatment with blanching or DF-100. When the cultured wild-ginseng roots were treated with 1.0% citric acid and 0.2% DF-100 after pre-treatments with CAMICA-SD, viable cell number was slightly increased to $4.9{\times}10^2CFU/g$ for 3 weeks storage at $10^{\circ}C$. The mixture of citric acid and DF-100 was also used to prevent the growth of microbiology and to reduce browning reaction, especially enzymatic browning reaction. The mixture might effectively extend shelf life of the cultured wild-ginseng roots.
Keywords
cultured wild-ginseng roots; shelf-life extension; CAMICA-SD; DF-100; storage; browning index;
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