نتایج جستجو برای: milk clotting enzyme
تعداد نتایج: 316885 فیلتر نتایج به سال:
A rapid, high-sensitivity, chemiluminescence (CL) enzyme assay for the determination of organophosphate (OP) residues in milk is presented. The assay for quantification of OP residues in milk is based on the inhibition of enzyme butyrylcholinesterase (BuChE). BuChE was stabilized and preloaded in 384 well plates at 30 °C. The assay permits rapid determination of OPs in milk within 12 min includ...
Factor XII (FXII), a clotting enzyme that can initiate coagulation in vitro, has long been considered dispensable for normal blood clotting in vivo because hereditary deficiencies in FXII are not associated with spontaneous or excessive bleeding. However, new studies show that mice lacking FXII are protected against arterial thrombosis (obstructive clot formation) and stroke. Thus, FXII could b...
The stomach of newborn pig contains a proteinase that is immunologically closely related to calf chymosin (rennin) (EC 3.4.23.4.). None of the pepsins from the stomach of adult pig is present in the newborn pig. Pig chymosin has optimal general proteolytic activity around pH 3.5. The ratio of milk-clotting activity to general proteolytic activity is about 30--70 times higher than that of pylori...
Enzyme replacement therapy is at present the option of choice for treatment of lysosomal storage diseases. To explore the feasibility of lysosomal enzyme production in milk of transgenic animals, the human acid alpha-glucosidase cDNA was placed under control of the alpha S1-casein promoter and expressed in mice. The milk contained recombinant enzyme at a concentration up to 1.5 micrograms/ml. E...
Diacylglycerol transferase is a microsome enzyme that plays an important role in glycerol lipid metabolism. The acyl CoA-diacylglycerol- acyltransferase 1 (DGAT1) is considered to be the key enzyme in controlling the synthesis of triglycerides in adipocytes. This enzyme catalyzes the final step of triglyceride synthesis (transform triacylglycerol (DAG) into triacylglycerol (TAG). The present st...
Little is known about the digestive process in infants. In particular, the chronological activity of enzymes across the course of digestion in the infant remains largely unknown. To create a temporal picture of how milk proteins are digested, enzyme activity was compared between intact human milk samples from three mothers and the gastric samples from each of their 4-12 day postpartum infants, ...
Pea (Pisum sativum L.), a protein-rich legume seed well adapted to many climatic areas and widely used for feed and food, was fed to Italian Friesian breed cows for 16 weeks to assess its effects on milk yield and production, renneting properties and metabolic responses. Cows within each group were assigned to two isonitrogenous and isoenergetic concentrates based on corn plus soybean meal or p...
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