Storage behavior of selected food grains in hermetic bag and cocoon bag

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dc.contributor.advisorMahesh Kumar
dc.contributor.authorYadav, Shubham
dc.date.accessioned2023-07-10T06:48:51Z
dc.date.available2023-07-10T06:48:51Z
dc.date.issued2023
dc.description.abstractThe present study has been conducted to observe the storage behavior of selected food grains (paddy, wheat and canola) in hermetic bag and cocoon bag. Storage parameters like moisture content, bulk density, thousand grain weight, insect count, mould affected grains percentage, broken grains percentages, grain damaged percentage, level of oxygen and carbon dioxide concentration inside cocoon bag, germination rate and internal environment conditions like temperature and relative humidity has been observed during the study. In case of canola oil seed, acid value of extracted oil has been examined. The techno-economic feasibility of stored grains under prescribed condition has been evaluated out using standard methods. The grains have been stored for 6 months in different types of plastic bags like 1-layer (HDPE), 2-layer (HDPE and PP), 3-layer (2-layer HDPE and PP), jute bag and cocoon bag. The cocoon bag has showed marginal effect on moisture content of food grains viz. 0.50 % variation for paddy, 0.31 % variation for wheat and 0.66 % variation for canola as compared to other storage bags. There was limited variation in bulk density of paddy 0.01 %, wheat 0.006 % and canola 0.0338 % while 1000 grain weight was changed with a very small variation of 0.1448 % for paddy, 0.1117 % for wheat, and 0.9918 % for canola in cocoon bag. After 6 month of storage, 4.6 % oxygen and 78.0 % carbon-di-oxide concentration were maintained inside the cocoon bag and no insect activity was observed in the cocoon bag stored grains and there was no mould affected grains. Broken grains percentages were changed with a very small range in cocoon bag 0.90 to 0.98 for paddy, 1.40 to 1.81 for wheat, and zero for canola. The acid value of canola oil was found to be in the range of 0.97 mg / 100 g of KOH to 0.99 mg / 100 g of KOH in cocoon bag. The profit margin has been worked out be highest in cocoon bag (12.13 %) due to minimum grain loss and limited changed in quality parameters followed by 3-layer hermetic bag with 2.65 % and 1-layer, 2-layer and jute bag has negative profit margin i.e., loss due to damaged grain by insects. Cocoon bag can be adopted through proper training and demonstrated for safe grains storage.en_US
dc.identifier.citationYadav, Shubham (2023). Storage behavior of selected food grains in hermetic bag and cocoon bag (Unpublished M.Tech. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810198071
dc.keywordsFood-grain, storage, hermetic bag, cocoon bag, variation.en_US
dc.language.isoEnglishen_US
dc.pages71en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemStorage behavior of selected food grains in hermetic bag and cocoon bagen_US
dc.subProcessing and Food Engineeringen_US
dc.themeStorage behavior of selected food grains in hermetic bag and cocoon bagen_US
dc.these.typeM.Tech.en_US
dc.titleStorage behavior of selected food grains in hermetic bag and cocoon bagen_US
dc.typeThesisen_US
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