Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine. 65-86-1, formula is C5H4N2O4, Name is 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid. In nucleic acids, three types of nucleobases are pyrimidine derivatives: cytosine (C), thymine (T), and uracil (U). Recommanded Product: 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid.
Sunds, Anne Vuholm;Sundekilde, Ulrik Kraemer;Poulsen, Nina Aagaard;Larsen, Lotte Bach research published 《 Association between udder inflammation and glycosidase activities and free sugar levels in bovine milk》, the research content is summarized as follows. Two milk glycosidases [N-acetyl-β-glucosaminidase (NAGase) and β-glucuronidase] have previously been associated with elevated somatic cell count (SCC). However, several other glycosidases are present in milk, potentially having effects on milk glycans. The activities of eight glycosidases (NAGase, α-fucosidase, α-galactosidase, β-galactosidase, α-glucosidase, β-glucosidase, α-neuraminidase, β-glucuronidase) were measured in milk samples from six cows with different SCC at quarter level. Glycosidase activities were related to levels of free sugars as assessed by NMR spectroscopy. NAGase, β-glucuronidase, β-glucosidase, α-galactosidase and β-galactosidase were the enzymes to increase most with SCC. Furthermore, free fucose level was pos. correlated with SCC (r = 0.72, P < 0.0001). The same tendency was observed for sialic acid, whereas galactose and N-acetyl-hexosamine were found to increase consistently in quarters of mastitic cows regardless of SCC. This indicates different potential origins of responsible enzymes and further illustrates the potential effects of milk glycosidases on the inherent glycans present in milk.
65-86-1, Orotic acid anhydrous is a hydrogen bonding interaction that can be found in biological systems. It plays a role in the physiological effects of orotic acid, which is a metabolite of uridine and an intermediate in the synthesis of pyrimidine nucleotides. Orotic acid has antimicrobial properties and has been shown to inhibit enzyme activities involved in energy metabolism, such as polymerase chain reaction (PCR) and adenosine triphosphate (ATP) synthase. Orotic acid also inhibits the growth of bacteria, fungi, and parasites. Orotic acid anhydrous is used for treating myocardial infarcts or brain functions. The untreated group was given no treatment at all.
Orotic acid, also known as orotate or orotsaeure, belongs to the class of organic compounds known as pyrimidinecarboxylic acids. These are pyrimidines with a structure containing a carboxyl group attached to the pyrimidine ring. Orotic acid exists as a solid, slightly soluble (in water), and a moderately acidic compound (based on its pKa). Orotic acid has been found in human liver and pancreas tissues, and has also been primarily detected in saliva, feces, urine, and blood. Within the cell, orotic acid is primarily located in the cytoplasm and mitochondria. Orotic acid exists in all eukaryotes, ranging from yeast to humans. Orotic acid participates in a number of enzymatic reactions. In particular, Orotic acid can be biosynthesized from L-dihydroorotic acid and quinone; which is mediated by the enzyme dihydroorotate dehydrogenase (quinone), mitochondrial. In addition, Orotic acid and phosphoribosyl pyrophosphate can be converted into orotidylic acid through its interaction with the enzyme uridine monophosphate synthetase isoform a. In humans, orotic acid is involved in the pyrimidine metabolism pathway. Orotic acid is also involved in several metabolic disorders, some of which include the mngie (mitochondrial neurogastrointestinal encephalopathy) pathway, dihydropyrimidinase deficiency, UMP synthase deficiency (orotic aciduria), and Beta ureidopropionase deficiency. Outside of the human body, orotic acid can be found in a number of food items such as green vegetables, alaska blueberry, chickpea, and colorado pinyon. This makes orotic acid a potential biomarker for the consumption of these food products. Orotic acid is a potentially toxic compound. Orotic acid has been found to be associated with several diseases known as phosphoenolpyruvate carboxykinase deficiency 1, cytosolic and hyperornithinemia-hyperammonemia-homocitrullinuria; orotic acid has also been linked to several inborn metabolic disorders including n-acetylglutamate synthetase deficiency, lysinuric protein intolerance, and ornithine transcarbamylase deficiency.
Orotic acid appears as white crystals or crystalline powder.
Orotic acid is a pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. It has a role as a metabolite, an Escherichia coli metabolite and a mouse metabolite. It derives from a uracil. It is a conjugate acid of an orotate., Recommanded Product: 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia