International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(7): 733-740

Effect of Storage Duration on Water Activity of Green Gram Stored in Hermetic and Other Bags
Asha Kumari and Mukesh Shrivastava*
Department of Processing and Food Engineering, College of Agricultural Engineering, Dr. Rajendra Prasad Central Agricultural University, Pusa (Samastipur) – 848 125, Bihar, India
*Corresponding author

Green gram (Vigna radiate) grains were procured from local market, cleaned and graded by two screen cleaner-cum-grader. Storage study was conducted by storing large sized green gram grains in 4 types of bags (jute, plastic, polythene, hermetic) without and with treatment (aluminium phosphide tablets) at 3 different initial moisture contents (12.34, 14.07, 16.04 % w.b.). Total 21 such bags having different treatment combinations were kept in laboratory for 33 weeks. Daily observation of ambient temperature and relative humidity was taken throughout the study period. Weekly observations of moisture content were recorded for 27 (jute bags) to 33 weeks (hermetic bags). It was observed that water activity goes on increasing with advancement of storage duration across all 21 experimental combinations. The overall variation range for water activity was 0.551 to 0.989. Variation was more in case of untreated samples as compared to treated samples. Hermetic bags stored green gram was found better with minimum water activity uptake even after 33 weeks of storage duration. Statistical analysis through UNIANOVA revealed that treatment emerged as most important independent variable to affect water activity. The interaction of bags*trt*imc*week significantly affected water activity. Hence the hermetic bag could be recommended for storing green gram safely for longer duration without affecting its quality.

Keywords: Green gram, Hermetic bag, Jute bag, Plastic bag, Polythene bag, Treated, Untreated, Storage Duration, Water activity, UNIANOVA

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How to cite this article:

Asha Kumari and Mukesh Shrivastava. 2018. Effect of Storage Duration on Water Activity of Green Gram Stored in Hermetic and Other Bags.Int.J.Curr.Microbiol.App.Sci. 7(7): 733-740. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.