enzyme unit


Also found in: Wikipedia.

enzyme unit

[′en‚zīm ‚yü·nət]
(biochemistry)
The amount of an enzyme that will catalyze the transformation of 10-6 mole of substrate per minute or, when more than one bond of each substrate is attacked, 10-6 of 1 gram equivalent of the group concerned, under specified conditions of temperature, substrate concentration, and pH number.
References in periodicals archive ?
Correlation analysis was used between traits by Pearson method for obtain relation yield traits for grain of kilograms per hectare (Grain), biomass kilograms per hectare (Biomass), Relative water content (RWC), Injury index leaf tissue (Id), ascorbic acid enzyme unit (Ascorbic), unit of enzyme catalase (CAT), superoxide dismutase (SOD)in water stress and normal conditions (table 3,4,5).
One enzyme unit (U ml-1) is defined as the amount of enzyme which releases 1 [micro]mole glucose.
Selenium-dependent glutathione peroxidase (GSH-PX1) activity (as enzyme unit per milligram of hemoglobin) in blood was assayed with the method of Paglia and Valentine (1967).
One enzyme unit is the activity needed to oxidize 1 mol of NADPH/min.
One enzyme unit was defined as the amount of enzyme that catalyzed the release of 1 [micro]mole of product per minute and was calculated using the appropriate molar extinction coefficient ([member of]) in the assay conditions or a standard curve.
The target for 2004 is to improve the eco-productivity index for water and energy by 5% or, in other words, to improve utilisation of water and energy per enzyme unit produced by 5% compared with consumption in 2003.
One enzyme unit is defined as the amount of enzyme required for formation of 1 umol of reducing sugars per minute at 50[degrees]C.
The target for 2004 is to improve the eco-productivity indices for water and energy by 5% or, in other words, to improve utilisation of water and energy per enzyme unit produced by 5% compared with consumption in 2003.
It was hoped that the arguments of reducing the plurality of enzyme units, promoting the SI, and aiding the understanding of medical laboratory results would persuade the CCU.
Two criteria are employed in this regard: the absolute concentration of CK-MB activity in enzyme units per liter of serum, and the percentage of CK activity expressed relative to the total CK activity.
Full browser ?