Effect of extrusion processing on the nutritional quality of protein in rice-legume blends
β Scribed by Chauhan, G. S. ;Verma, N. S. ;Bains, G. S.
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 235 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0027-769X
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β¦ Synopsis
The effect of extrusion processing using Wenger X-5 extruder on the quality of products of rice-legume (75 : 25) blends was investigated. The products were palatable and had a good textur. The nutritional quality of protein in the extrudates was significantly improved. The protein efficiency ratio values of rice-soybean, rice-bengal gram and rice-black gram products were: 2.25.2.30 and 2.28 as compared to 2.10, 1.89 and I .98 for the respective raw blends. Extrusion processing reduced the phytates in the products to the extent of 20.3 to 26.8 "; .
Lu [I] described the assessment of thermal processes applied to food by adopting nutrient retention as the basis. Well established food processes such as dehydration, canning, roller drying etc. are known to cause higher nutrient losses in the products [2]. Extrusion processing is a unique and an innovative development in food technology. Literature on the extrusion processing of rice-legume blends is scanty. Rice, on an average, contains 6 to 8 protein.
The effect of extrusion processing on the nutritional quality of protein in the products of rice-legume blends (75 : 25) having considerably more protein than rice is decribed in this paper.
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