Enzymatic hydrolysis of PTT polymers and oligomers
نویسندگان
چکیده
منابع مشابه
Effects of Condition Enzymatic Hydrolysis on Degrees of Hydrolysis and Antioxidant Activity of Head Protein of Bighead (Aristichthys nobilis)
Background and Objectives: Enzymatic hydrolysis is an effective practical technology that recovers valuable proteins from far-less farmed fish without losing their nutritional characteristics. Enzymatic hydrolysis of protein sources such as aquatic animals is a type of protein recycling. In the present study, effects of temperature, time and concentration of papain enzyme on hydrolysis degree a...
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Slurries of rice-straw cellulose (obtained by delignification and removal of hemicelluloses from the powdered raw material) were subjected to ultrasonic waves at different intensities for various times (constant temperature). Susceptibility of the samples to cellulose-hydrolysis increased initially with pretreatment time, reaching a maximum or a constant level thereafter. Maximum glucose yi...
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Protein recovery under sonication treatment and autolysis, also protein hydrolysis progress during enzymatic hydrolysis (using trypsin and chymotrypsin) and autolysis (using endogenous enzymes) were investigated in Saccharomyces cerevisiae and Kluyveromyces marxianus. Crude protein content of dried yeast cells were 53.22% and 45.6% for S.cerevisiae and K.marxianus, respectively. After 96 hrs of...
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In this study, the hydrolysis of pretreated sorghum stem and rice husk was investigated at various initial enzyme concentrations and substrate loadings. The slowdown in enzymatic hydrolysis of lignocellulosic materials with conversion has often been attributed to decreasing the activity of enzyme. A kinetic model was developed and expressed mathematically based on enzyme deactivation for enzyma...
متن کاملThe enzymatic hydrolysis of glucuronolactone.
Studies over the past 20 years on the metabolism of carbohydrates have implicated glucuronolactone as a precursor of several compounds of physiological interest; namely, L-xylulose (1, 2), ascorbic acid (3, 4), and furan2,5-dicarboxylic acid (5). Studies in viva from two laboratories, demonstrating that mammalian tissues can oxidize glucuronolactone to CO2 (6) but fail to oxidize glucuronic aci...
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ژورنال
عنوان ژورنال: Journal of Biotechnology
سال: 2008
ISSN: 0168-1656
DOI: 10.1016/j.jbiotec.2008.02.015