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Change of Physicochemical Characteristics and Functional Components in the Raw Materials of Saengsik, Uncooked Food by Drying Methods  

Jin, Tie-Yan (Division of Applied Bioscience and Biotechnology and Functional Food Research Center, Chonnam National University)
Oh, Deog-Hwan (School of Biotechnology and Bioengineering, Kangwon National University)
Eun, Jong-Bang (Division of Applied Bioscience and Biotechnology and Functional Food Research Center, Chonnam National University)
Publication Information
Korean Journal of Food Science and Technology / v.38, no.2, 2006 , pp. 188-196 More about this Journal
Abstract
Changes in physicochemical characteristics and functional components content of saengsik, uncooked food, were investigated to find efficient drying methods, one of important manufacturing process of saengsik. No changes in proximate compositions of all samples were observed during hot-air drying at 50, 55, and $60^{\circ}C$ and freeze-drying. Colors of carrot, Lentinus edodes, and sea mustard did not change, while a value of cabbage, L, a, and b values of Agaricus bisporos, and a value of laver changed slightly by hot-air drying at all temperatures and freeze-drying. Dietary fiber content increased by hot-air drying but not by freeze-drying. Reductions in vitamin C and ${\beta}-carotene$ contents of carrot, cabbage, sea mustard, and laver were higher by hot-air drying than by freeze-drying. Contents of total phenolics and lectin of L. edodes and A. bisporos were not affected by hot-air drying and freeze-drying. Contents of pectin, alginic acid, and porphyran in sea mustard and laver increased by hot-air drying.
Keywords
saengsik; uncooked food; drying methods; physicochemical characteristics; functional components;
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Times Cited By KSCI : 10  (Citation Analysis)
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