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Effect of storage on redgram (Cajanus cajan /L./ Millsp) and greengram (Vigna radiata /L./ Wilczek) with particular reference to lipid composition

Author

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  • Mysore Ranganayaka Gopinath

    (Biotechnology, University of Mysore, Manasagangotri, Mysore, Karnataka, India)

  • Kari Sambiah

    (Department of Biochemistry and Nutrition, Central Food Technological Research Institute, Mysore, Karnataka, India)

  • Siddapura Ramachandra Niranjana

    (Biotechnology, University of Mysore, Manasagangotri, Mysore, Karnataka, India)

Abstract

The effects of storage on the lipid composition of three redgram (TTB-7, BRG-1, and ICP-8863) and three greengram (PUSA BISAKI, KDM-1, and CHINA MOONG) varieties were studied. Environment variables such as temperature and relative humidity were recorded during storage period. Moisture content was found to increase along with the percent incidence of storage insects. The incidence of storage moulds and insects was recorded in all the samples; results showed that storage moulds belonged to Aspergillus species and the insect Callosobruchus chinensis infested the stored samples. The total fat, triglycerides, phospholipids, free fatty acids and peroxide value were evaluated in the control and in samples stored for three and six months. Results showed that storage depleted total fat (1.94-1.75 g), triglycerides (1.46-1.07 g), whereas phospholipids (0.06-0.21g), free fatty acids (0.002-0.01 g) and peroxide values (2.14-4.46 meq) increased. The fatty acid content of palmitic (26.03-23.56%), stearic (7.4-5.46%), linoleic (56.2-45.2%) and linolenic acids (6.9-4.7%) decreased, but oleic acid content increased (8.3-21.6%) in all the varieties during storage.

Suggested Citation

  • Mysore Ranganayaka Gopinath & Kari Sambiah & Siddapura Ramachandra Niranjana, 2011. "Effect of storage on redgram (Cajanus cajan /L./ Millsp) and greengram (Vigna radiata /L./ Wilczek) with particular reference to lipid composition," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 47(4), pages 157-165.
    • Handle: RePEc:caa:jnlpps:v:47:y:2011:i:4:id:72-2010-pps
    DOI: 10.17221/72/2010-PPS
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