PROTEIN AND FIBER SUPPLEMENTATION EFFECTS ON EXTRUDED CORNMEAL SNACK QUALITY

被引:64
作者
CAMIRE, ME [1 ]
KING, CC [1 ]
机构
[1] TEXAS WOMANS UNIV,DEPT NUTR & FOOD SCI,DENTON,TX 76204
关键词
D O I
10.1111/j.1365-2621.1991.tb05376.x
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Cornmeal snacks containing blends of soy protein isolate (SPI) with cotton linter cellulose (CEL) or soy cotyledon fiber (SF) were produced with a twin screw extruder. SPI increased expansion and reduced collet bulk density. Samples containing soy materials were darker than those containing 10% CEL or only cornmeal. CEL reduced expansion and increased residual moisture. The effects of SF were intermediate between those of SPI and CEL. Samples containing either type fiber had slight increases in nitrogen solubility and higher losses of available lysine after extrusion. A sensory evaluation panel found samples with 15% SPI and 10% either fiber were tan and soft, with a nutty or grain flavor.
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页码:760 / &
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