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Research Study of the Conditions of Wastes Lipolysis Lipid Fraction

Sklyar Victoria, Krussir Galina, Lebedenko Tetyana, Khomich Galina, Kovalenko Irina

Journal of Ecological Engineering

2019

Vol. 20, nr 3

152--156

Biotechnological processing of secondary raw material resources of the oil and fat industry in useful products is the most expedient and effective in terms of both economic and environmental requirements. The obtained experimental results of the study indicate the prospect of lipolysis with the lipase Rhizopus japonicus fat fraction of waste generated during the hydrogenation of vegetable oils. The greatest activity in relation to olive oil is expressed by lipase Rhizopus oryzae. Lipase Rhizopus japonicus exhibits the highest activity relative to hydrogenated fat, which is explained by its substrate specificity. It was found that the content of free fatty acids in the hydrolyzate reached the saturation level after 72 hours of hydrolysis, and the concentration of triglycerides during this time of hydrolysis decreased to a minimum value. The results of research should be used to improve the processing technology of waste oil and fat industry in the food industry.