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Extrusion Characteristic of Bengal Gram Brokens and Maize Flour Blends for Preparation of Extruded Snack Food

Journal: The Journal of AgriSearch (JAS) (Vol.1, No. 1)

Publication Date:

Authors : ; ; ; ; ;

Page : 13-18

Keywords : Extrusion; Bengal Gram; Maize; Flour; Blend; Protein content;

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Extruded products from Bengal gram (Cicer arientinum L.) brokens and maize (Zea maize L.) flour blends were prepared on a BTPL-LAB Twin Screw Extruder. The effect of extrusion cooking parameters (mainly moisture content in blend, and barrel temperature) and blend ratio on quality of extruded products were determined. The properties of product were evaluated on the basis of mass flow rate (MFR), specific length of extrudates (SL), sectional expansion index (SEI), longitudinal expansion index (LEI) and water absorption index (WAI).Protein content of extrudates was also measured to analyze and evaluate the nutritional value of product. The best quality extrudates were obtained at 800C barrel temperature, 10% moisture content of feed, 20% blending ratio followed by 10% moisture content, 850C barrel temperature and 25% blending ratio. Also this processing approach enables the value addition of Bengal gram brokens and maize flour for preparation of extruded snack food.

Last modified: 2014-06-16 16:10:02