نتایج جستجو برای: lactoperoxidase system
تعداد نتایج: 2231630 فیلتر نتایج به سال:
The heme in lactoperoxidase is attached to the protein by ester bonds between the heme 1- and 5-methyl groups and Glu-375 and Asp-275, respectively. To investigate the cross-linking process, we have examined the D225E, E375D, and D225E/E375D mutants of bovine lactoperoxidase. The heme in the E375D mutant is only partially covalently bound, but exposure to H(2)O(2) results in complete covalent b...
To prevent excessive bacterial growth in raw milk, the FAO recommends two options: either cold storage or activation of the lactoperoxidase system (LPs/HT) in milk with the addition of two chemical preservatives, hydrogen peroxide (H) and thiocyanate (T). N2 gas flushing of raw milk has shown great potential to control bacterial growth in a temperature range of 6-12°C without promoting undesire...
We used lactoperoxidase-mediated iodination to investigate the lumenal polypeptide composition of rat hepatocyte endosomes. A chemical conjugate of asialoorosomucoid and lactoperoxidase that binds specifically to hepatocyte asialoglycoprotein receptors was perfused through isolated rat livers at 16 "C in the presence of mannan, resulting in the accumulation of ligand in early endosomes. Endosom...
The production of high-value dairy proteins such as lactoferrin and lactoperoxidase normally requires extensive pre-treatments of milk to remove fat and caseins by centrifugation, precipitation, Ca 2+ chelation and/or filtration. Similarly, fat and caseins are normally removed prior to capture of recombinant proteins from the milk of transgenic animals. Such pre-treatments can result in signifi...
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