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자료유형
학술저널
저자정보
Hong, Joo-Heon (Bio Industry Center, Daegu New Technology Agency) Choi, Yong-Hee (Department of Food Science and Technology, Kyungpook National University) Youn, Kwang-Sup (Department of Food Science and Technology, Catholic University of Daegu)
저널정보
한국응용생명화학회 Journal of applied biological chemistry Journal of applied biological chemistry 제50권 제1호
발행연도
2007.1
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1 - 5 (5page)

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Chemical properties of spray-dried powders separated based on molecular weight from crude protein binding polysaccharide (CP-SD) of Agraricus blazei were examined. Contents of ${\beta}$-glucan in SD-1, SD-2 and SD-3 were 18.67%, 48.24%, and 37.15% respectively, and SD-2 (10-150 kDa) showed the highest molecular weight. Obtained ${\beta}$-glucans were not pure glucan, but was determined to be an acidic proteo-heteroglycan with a large amount of glucose (74.46-80.05%), galactose (8.91-15.2%), and mannose (4.9-5.46%). Composition of their amino acids was mainly aspartic and glutamic acids. FT-IR spectrum revealed SD-1, SD-2 and SD-3 were structures of ${\beta}$-1,3-glucans and ${\alpha}$-1,6-glucans at 890 and 930 $cm^{-1}$, respectively, signals of ${\alpha}$-1,6-glucans for CP-SD was not found. Useful CP-SD was recovered from A. blazei for preparation of three powder types as food materials.

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