منابع مشابه
Using Phosphoryl Oligosaccharides KU-8 Acid Phosphatase IIJS$A
phosphohydrolases, EC 3.1.3.2) hydrolyze a wide variety of phosphate esters and usually exhibit pH optima below 6.0. The enzymes are widely distributed in nature and occur in a variety of organs and tissues.i) There have been many studies on the substrate specificity of acid phosphatases, including phytases (myo-inositol hexakisphosphate 3and 6-phosphohydrolases; EC 3.1.3.8 and 3.1.3,26), towar...
متن کاملStructural studies on -carrageenan derived oligosaccharides
Oligosaccharides were prepared through mild hydrochloric acid hydrolysis of -carrageenan from Kappaphycus striatum carrageenan. Three oligosaccharides were purified by strong-anion exchange high-performance chromatography. Their structure was elucidated using mass spectral and NMR data. Negative-ion electrospray ionization (ESI) mass spectra at different fragmentor voltages provided the molecul...
متن کاملEnzymatic transfer of mannose from mannosyl-phosphoryl-polyprenol to lipid-linked oligosaccharides by pig aorta.
A particulate enzyme preparation prepared from the intimal layer of pig aorta catalyzed the transfer of mannose from mannosyl-phosphoryl-polyprenol (MPP) into a series of oligosaccharides that were linked to lipid. The reaction required detergent with Triton X-100 and NP-40 being best at a concentration of 0.5%. Several other detergents were inactive or only slightly active. The pH optima for t...
متن کاملDevelopment and evaluation of a low-erosive apple juice drink with Phosphoryl-Oligosaccharides of Calcium.
This study aimed to evaluate effectiveness of Phosphoryl-Oligosaccharides of Calcium (POs-Ca) added to apple juice on enamel erosion. Five juices were prepared by adding 0%, 0.5%, 1%, 1.5% or 2% POs-Ca to commercial apple juice, and subjected to Visual Analogue Scale (VAS) taste evaluation and pH and calcium/inorganic-phosphates analyses. To evaluate erosion, polished bovine enamel blocks were ...
متن کاملStudies on possible phosphoryl enzyme formation in catalysis by hexokinase, pyruvate kinase, and glucose 6-phosphatase.
One possible mode of enzymic phosphoryli transfer involves formation of phosphoenzymes as intermediates. Thus far, however, convincing evidence for the formation of such intermediates has been obtained only for the phosphoglucomutase reaction (I, 2) and, to a lesser extent, for the phosphoglyceromutase reaction (3). Suggestive evidence has been reported for the participation of phosphoenzyme in...
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ژورنال
عنوان ژورنال: Journal for the Integrated Study of Dietary Habits
سال: 2007
ISSN: 1881-2368,1346-9770
DOI: 10.2740/jisdh.17.297