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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Catalytic State of Exogenous Enzymes in the Processing of Cotton Seeds
Author(s)
Abbos Khasanov1, Muzzaffar Ataev1, Kakhramon Davranov2 and Khasan Khasanov1
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DOI:10.17265/2159-5828/2018.05.005
Affiliation(s)
1. Department of Technology of Food Products, Tashkent Institute of Chemical Technology, Tashkent 100011, Uzbekistan
2. Department of Biotechnology, National University of Uzbekistan, Tashkent 100095, Uzbekistan
ABSTRACT
The effect of gossypol, linolenic acid and cottonseed oil on the
activity and stability of acidic (Aspergillus
niger) and neutral (Bacillus
amyloliquefaciens) proteinases was studied. Fatty acids and gossypol
negatively affect the activity and stability of enzymes. The inhibitory effect
of fatty acids and gossypol is most pronounced in the case of neutral
proteinases. This also decreases the affinity of the enzyme to the substrate.
The heat treatment of cottonseed kernels has a positive
effect on enzymatic processes and facilitates the process of oil extraction.
KEYWORDS
Cottonseed kernels, proteins, carbohydrates, hydrolysis, proteinase, amylase, gossypol, fatty acid, influence, activity and stability.
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