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KMID : 0380619920240030261
Korean Journal of Food Science and Technology
1992 Volume.24 No. 3 p.261 ~ p.265
Rheological Properties of Radish Juice Concentrates
±è±æȯ/Kim, Kil Hwan
À̼¼Àº/±èµ¿¸¸/À̺οë/ÁøÀç¼ø/Lee, Se Eun/Kim, Dong Man/Lee, Boo Yong/Jin, Jae Soon
Abstract
To improve preservation and utilization of radish juice concentrates, radish juice were concentrated by reverse osmosis(RO) and thin layer evaporator(TLE) and their rheological properties were investigated. Radish juice concentrates were considered as nowtonian fluids. The apparent viscosity of conc. 1 (Heat treatment radish juice, concentrated by TLE), conc. 2 (Raw radish juice, concentrated by TLE), cone 3 (Heat treatment radish juice, concentrated by RO) were 0.0503, 0.0578 and 0.0655 Pas at 10(1/s), respectively. The yield stress of these concentrates were ranged from 0.0001 to 0.0580 Pa. The activation energy for the flow of the radish juice conc. 1 were increased from 2.7057 to 4.1159 X 10©ù I/kg.mol by increasing concentration of radish juice.
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