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Influence of Storage Temperature on the Quality Parameters of wheat Flour during Short Term Storage

Authors:

J. Sujitha,

Eastern University, LK
About J.
Department of Agricultural Chemistry, Faculty of Agriculture
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M. R. S. Muneer,

Prima Ceylon PVT Ltd., Chinabay, Trincomalee, LK
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T. Mahendran ,

Eastern University, LK
About T.
Department of Agricultural Chemistry, Faculty of Agriculture
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B. Kiruthiga

Eastern University, LK
About B.
Department of Agricultural Chemistry, Faculty of Agriculture
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Abstract

Among cereals grains, wheat has high potential to produce gluten protein that imparts strength and elasticity to the dough that inuences the texture of bakery products. Storage temperature has been shown to aect the quality attributes of wheat our but only a few research studies were conducted to assess the in uence of storage conditions on wheat our properties. Therefore, a study was carried out to evaluate the in uence of storage temperature on the quality characteristics of the wheat our during short term storage. The freshly milled wheat our from Prima Ceylon Private Ltd, Trincomalee were stored for 8 weeks at room temperature (35oC and the Relative Humidity of 50-60%) and air conditioned temperature (270 C and the Relative Humidity of 60-70%). The quality characteristics such as moisture, wet gluten, gluten index and ash content and biological characteristics of weevils count and total bacterial count of our samples were evaluated at 2 weeks interval during the storage period. Moisture content decreased signicantly (p<0.05 ) with the storage duration at both storage temperatures. Visco-elastic properties such as wet gluten and gluten index of our samples decreased during storage and more markedly aecting the our quality at room temperature storage. Biological and microbiological characteristics were in uenced by storage temperature since the water activity was the main factor in uencing their survival. Based on the study, the quality characteristics of wheat our were better preserved during storage at air conditioned temperature of 270C with 60-70% Relative Humidity compared to room temperature of 350C with 50-60% Relative Humidity.
How to Cite: Sujitha, J., Muneer, M.R.S., Mahendran, T. and Kiruthiga, B., 2018. Influence of Storage Temperature on the Quality Parameters of wheat Flour during Short Term Storage. Sabaragamuwa University Journal, 16(1), pp.53–57. DOI: http://doi.org/10.4038/suslj.v16i1.7718
Published on 10 Sep 2018.
Peer Reviewed

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