Author(s): Okolo C. A, Chukwu, O, Adejumo B. A. , Haruna, S. A
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 09 , September - 2017
This research assessed the quality and mass loss of sorghum stored in metallic silo, in Minna, Nigeria for a period of eight months. The grain stock in the silo facility was managed using integrated bulk grain management procedures (IBGM) in metallic silos. A 2,500 metric tonnes capacity metallic silo out of 10 numbers assembled in a battery form was loaded with red coloured sorghum (Sorghum bicolour) SAMORG-14 variety. Samples were taken randomly from the bulk and analysed before binning which will serve as control and subsequently on monthly basis, at designated depth and locations. The samples were analysed using standard methods. The quality and mass characteristics assessed within the period, include moisture content (MC), bulk density (BD),carbohydrate (CHO), crude fat (F), ash (A), crude protein (CP), crude fibre (CF), germinability (G), and Energy value (EV). Data generated were analysed to determine significant levels using Statistical package for social sciences (SPSS). Multiple analyses of variance (MANOVA) and Duncanβs multivariate test was used to determine the trend of deterioration. Values obtained were compared with the control values. The result of this study shows that all the quality and mass characteristics evaluated are significant (p<0.05) with duration of storage. The following parameters depreciated from the control within the duration of storage, F (3.5%-1.4%), BD (98kg/ππ-91.3kg/ππ), CP (11.42%-6%), A (2%-1.15%), CF (4.76%-3.24%), MC (9.0%-6.98%), G (99%-86.4%) This may be due to fluctuations in storage conditions, grain respiration, age and shrinkage. The results also revealed that EV (366.6kcal-404.3kcal) and CHO (76.6% -79.2%) increased significantly (p>0.05) from the control within the 8 months duration of storage, probably due to continuous loss of moisture and the depreciation of other variables. The quality and mass characteristics of sorghum stored in metallic silos in Minna, Nigeria is significantly affected by duration of storage.
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