Recovery of protein from potato plant waste effluents by complexation with carboxymethylcellulose

被引：20
|
作者：
Gonzalez, J. M. [1 ]
Lindamood, J. B. [2 ]
Desai, N. [3 ]
机构：
[1] Bromo Ind, Santo Domingo, Dominican Rep
[2] Ohio State Univ, Dept Food Sci & Technol, Columbus, OH 43210 USA
[3] Frito Lay Inc, Irving, TX USA
来源：
FOOD HYDROCOLLOIDS | 1991年 / 4卷 / 05期
关键词：
D O I：
10.1016/S0268-005X(09)80131-8
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The processing of potato products from fresh potatoes produces waste effluent containing substantial amounts of protein. In this study, the recovery of a protein-hydrocolloid complex from a simulated potato processing plant waste effluent (SPWE), using carboxymethylcellulose (CMC) as the complexing agent, was investigated. The effects of CMC to protein ratio (CPR), pH, temperature and type of CMC with respect to degree of substitution (DS) on complex formation and protein recovery were studied. Optimum results were obtained using CMC DS 0.85-0.95, CPR of 0.05, and pH 1.5-4.0. The temperature of precipitation had little effect in the range of 4-25 degrees C. The recovered complex contained 76.6% protein, 17.6% CMC and formed a bulky precipitate easily separated from the SPWE.
引用
收藏
页码：355 / 363
页数：9
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