Lipid degradation of corn preserved in oxygen depleted minienvironment

International Journal of Development Research

Volume: 
08
Article ID: 
14751
4 pages
Research Article

Lipid degradation of corn preserved in oxygen depleted minienvironment

Khanh Le Quoc, Duong Nguyen Van, Chi Le Linh, Huong Do Tra and Que Le Xuan

Abstract: 

The Corn of 13 % moisture content was preserved in air oxygen depleted minienvironment, with oxygen concentration of 15%, 10%, 5% and <2%.The control sample was preserved innatural atmosphere at 20.9 % oxygen concentration. The main nutrient content of maize, such as starch, protein and lipid, were analyzed periodically at 0, 3, 6, 9 and 12 months during the preservation. The result on degradation of starch and protein has been represented previously. This article introduces the research results on the lipid degradation. The obtained results showed that corn lipid degradation was dependent mainly on the oxygen concentration and storage time. However, after 12 months storage at <2% oxygen concentration the degradation rate of maize grain lipid was very small. In comparison, this degradation rate is lower many times than that at higher oxygen concentration of 10 % and 15%, especially of 20.9 % in the natural atmosphere. The storage efficiency after 12 months preserved at 2 % oxygen atmosphere reached more than 97%.

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