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http://dx.doi.org/10.3839/jabc.2020.039

Improvement of protein extraction efficiency from defatted sesame meal with thermal and enzymatic treatments  

In, Man-Jin (Department of Chemical Engineering, Chungwoon University)
Publication Information
Journal of Applied Biological Chemistry / v.63, no.4, 2020 , pp. 291-295 More about this Journal
Abstract
In order to increase the utilization of defatted sesame meal (DSM), a by-product of sesame oil production, the conditions of extraction of insoluble proteins from DSM by enzyme treatment were investigated. As a result of comparing the treatment results of proteolytic enzymes Alcalase, Flavorzyme, Neutrase, and Protamex with control, Protamex was effective in increasing the total solid and protein content. At the reaction conditions of Protamex (50 ℃, pH 6.0), the dosage of enzymes was appropriate for 1% of DSM and 3 h of enzyme reaction time. To improve the efficiency of enzymatic treatment, the protein content extracted increased as the heat treatment temperature increased, and slightly increased above 110 ℃. As a result of investigating the effect of the combination treatment of cell lytic enzyme (Tunicase) and protease (Protamex) on protein solubilization, it was most effective to treat the cell lytic enzyme after processing the protease. After heat treatment (110 ℃, 10 min), sequential treatment of Protamex and Tunicase increased the protein content by about 3.5 times (9.85→35.58 mg/mL) of the non-heated control and 2.2 times (15.83→35.58 mg/mL) of the heat treated control.
Keywords
Cell lytic enzyme; Defatted sesame meal; Heat treatment; Protein extraction; Proteolytic enzyme;
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Times Cited By KSCI : 3  (Citation Analysis)
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