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xanthine    
n. 黄色色素

黄色色素

xanthine
n 1: crystalline oxidation product of the metabolism of
nucleoproteins; precursor of uric acid; found in many
organs and in urine


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  • Xanthine - Wikipedia
    Xanthine ( ˈ z æ n θ iː n or ˈ z æ n θ aɪ n , from Ancient Greek ξανθός xanthós ' yellow ' for its yellowish-white appearance; archaically xanthic acid; systematic name 3,7-dihydropurine-2,6-dione) is a purine base found in most human body tissues and fluids, as well as in other organisms [2]
  • Xanthine Derivatives: Drug Class, Uses, Side Effects, Drug Names - RxList
    Xanthine derivatives are a group of alkaloids that work as mild stimulants and bronchodilators Xanthine derivatives ease symptoms of bronchospasm and make breathing easier by relaxing the smooth muscles of the respiratory tract and reducing the airway's hypersensitive response to stimuli
  • Biochemistry, Xanthine Oxidase - StatPearls - NCBI Bookshelf
    Xanthine oxidase is the enzyme required to produce uric acid by the breakdown of purine nucleotides The uric acid itself, as well as the reactive oxygen species released during the enzymatic reaction, can have detrimental effects on the body
  • Xanthine, xanthine derivatives, foods, medications xanthine side effects
    Xanthine is a purine base found in most human body tissues and fluids, certain plants, and some kidney stones Xanthine is formed following enzymatic degradation of adenine and guanine
  • Xanthine | C5H4N4O2 | CID 1188 - PubChem
    Xanthine | C5H4N4O2 | CID 1188 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Recent Advances in the Biological Significance of Xanthine . . . - Springer
    Xanthine, a common constituent found in beverages is known to show its pharmacological effect by the stimulation of central nervous system Xanthine and its derivatives showed CNS activity by antagonism of adenosine receptors and inhibition of (monoamine oxidase (MAO-B)
  • XANTHINE Definition Meaning - Merriam-Webster
    The meaning of XANTHINE is a feebly basic compound C5H4N4O2 that occurs especially in animal or plant tissue, is derived from guanine and hypoxanthine, and yields uric acid on oxidation; also : any of various derivatives of xanthine (such as methylxanthine)
  • Xanthine | definition of xanthine by Medical . . . - Medical Dictionary
    a purine compound found in most bodily tissues and fluids; it is a precursor of uric acid Methylated xanthine compounds such as caffeine, theobromine, and theophylline are used for their bronchodilator effects
  • Xanthine - wikidoc
    Xanthine (3,7-dihydro-purine-2,6-dione), is a purine base found in most body tissues and fluids and in other organisms Xanthine is a product on the pathway of purine degradation It is created from guanine by guanine deaminase It is created from hypoxanthine by xanthine oxidoreductase
  • Xanthine - an overview | ScienceDirect Topics
    Xanthine is a purine base that is present in both plants and animals AI generated definition based on: Applied Pharmacology, 2011





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