초록

마쇄한 감 puree에 2종류의 상업적 다른 탄수화물 분해효소인 Viscozyme과 Celluclast를 처리하여 얻은 감쥬스의 추출수율, 점도, 색, 적정산도, 당에 미치는 영향을 조사하였다. Arabinase, cellulase, xylanase, hemicellulase와 ${\beta}-glucanase$의 효소활성을 가진 Viscozyme으로 $50^{\circ}C$에서 10분간 가수분해할 때 추출수율, L값, 환원당은 현저히 증가하였고 점도는 감소하였다. 감쥬스의 추출수율은 Viscozyme으로 처리시 42.8%에서 80%로 증가하는 반면 Celluclast는 73.3%로 증가하였다. 한편 관능적 특성중 감맛과 감내, 주홍색과 주황색은 Viscozyme으로 60분간 가수분해한 쥬스에서 크게 향상되었다.

Abstract

The ground persimmon puree was treated with two kinds of commercial polysaccharide hydrolyzing enzymes (Viscozyme and Celluclast) in order to study their effects on the extraction yield, viscosity, color, titratable acidity and sugars. Hydrolysis with Viscozyme which has enzymatic activity of arabinase, cellulase, xylanase, hemicellulase and ${\beta}-glucanase$ significantly increased the extraction yield, L-value and reducing sugar and decreased in viscosity by treatment for 10 min at $50^{\circ}C$. The extraction yield of the juice was increased from 42.7% to 80% by Viscozyme while the Celluclast to 73.3%. On the other hand, the sensory properties of persimmon-like flavor, scarlet and orange color were greatly improved for the juice hydrolyzed with Viscozyme for 60 min.

주제어

#persimmon juice   #polysaccharide hydrolyzing enzyme   #extraction yield   #viscosity   #acidity   #reducing sugar   #sensory  

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1. Lee, Su-Wone ; Kwon, Joong-Ho ; Yoon, Sung-Ran ; Woo, Seung-Mi ; Jang, Se-Young ; Yeo, Soo-Hwan ; Choi, Ji-Ho ; Jeong, Yong-Jin 2010. "Quality Characteristics of Brown Rice Vinegar by Different Yeasts and Fermentation Condition" 한국식품영양과학회지 = Journal of the Korean Society of Food Science and Nutrition, 39(9): 1366~1372  원문보기 상세보기