期刊
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
卷 48, 期 9, 页码 1949-1955出版社
WILEY
DOI: 10.1111/ijfs.12175
关键词
Amino acid; cereal; extrusion; mineral availability; nutritional properties; physical properties; protein; protein digestibility; snacks; wild legumes
资金
- Junta de Andalucia (Spain) [AGR-711]
- CAI+D (Argentina) [2009-II-PI 54-259, PICT-2007 -1105]
Flour blends based on whole corn and rice with two added wild legumes at 15% level of cereal replacement were extruded to produce whole grain snacks. Extrusion temperature was 175 degrees C, and the moisture content was adjusted to 14%. The extruded products were evaluated for their physical, chemical and nutritional properties. Results showed that the addition of legumes produces a decrease in expansion in rice-containing samples and an increase in solubility in corn-containing samples. With only 15% of legume added to cereal, a significant increase in protein content and quality was obtained. An increase in fibre, polyphenol, iron and zinc content was also obtained. Protein digestibility was in the range of 81.8-85.3%. Mineral availability ranged from 6.4 to 16.3% for iron and 10-16.3% for zinc. The performance of each mixture during extrusion and the physical properties of the extruded products were considered to be similar to those expected for snack-type products and described in the literature.
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