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xanthin    
n. 黄色色素

黄色色素

Xanthin \Xan"thin\, n. [Gr. xanqo`s yellow.]
1. same as {xanthine}.
[1913 Webster]

2. (Chem.) A yellow insoluble coloring matter extracted from
yellow flowers; specifically, the coloring matter of
madder. [Formerly written also {xanthein}.]
[1913 Webster]

3. (Chem.) One of the gaseous or volatile decomposition
products of the xanthates, and probably identical with
carbon disulphide. [Obs.]
[1913 Webster] Xanthine


Xanthine \Xan"thine\, n. Also Xanthin \Xan"thin\ . [Gr. xanqo`s
yellow.] (Physiol. Chem.)
A type of purine obtainable as a white microcrystalline
powder, {C5H4O2N4}, present in muscle tissue, in the liver,
spleen, pancreas, and other organs, and also in urine (in
small quantities) and some urinary calculi, and in the juices
of certain plants; -- so called because it leaves a yellow
residue when evaporated to dryness with nitric acid. It is
also present in guano. Xanthine is closely related to uric
acid.
[Webster 1913 Suppl.]


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  • Xanthine - Wikipedia
    Derivatives of xanthine (known collectively as xanthines) are a group of alkaloids commonly used for their effects as mild stimulants and as bronchodilators, notably in the treatment of asthma or influenza symptoms [2]
  • Astaxanthin: Health Benefits, Uses, Risks and Side Effects
    Antioxidants such as astaxanthin may help your body get rid of free radicals And the compound may lower inflammation, too The health benefits of astaxanthin may include: Better brain health
  • Xanthines: Sources, Effects, and Therapeutic Uses
    Xanthines are a group of alkaloids that share a similar chemical structure, derived from the purine base xanthine They are characterized by a purine ring The most recognized members of this family are caffeine, theophylline, and theobromine They are naturally produced by plants
  • What Is Zeaxanthin? Benefits and Side Effects
    Zeaxanthin is closely related to vitamin A and is naturally located in your eye’s macula and retina, along with lutein Zeaxanthin protects your eye’s tissues by blocking damage from sunlight and by blocking free radicals that can cause oxidation
  • Xanthine Derivatives: Drug Class, Uses, Side Effects, Drug Names - RxList
    Learn about how they work, usages, side effects, and a list of drugs
  • Xanthine | C5H4N4O2 | CID 1188 - PubChem
    It is a tautomer of a 7H-xanthine A purine base found in most body tissues and fluids, certain plants, and some urinary calculi It is an intermediate in the degradation of adenosine monophosphate to uric acid, being formed by oxidation of hypoxanthine
  • Astaxanthin: 5 Benefits, Uses, Side Effects, and More - Health
    Taking astaxanthin might support dry eye symptoms by repairing eye cells and improving tear film stability Astaxanthin may improve skin health by reducing wrinkles, enhancing elasticity, and
  • Astaxanthin: 19 Known Medical Benefits, Uses, Side Effects Conditions
    Astaxanthin is one of the most sought-after antioxidant supplements right now – and with good reason It’s not only an antioxidant powerhouse but also jam-packed with anti-fatigue and anti-inflammatory properties, as well as an array of other health benefits
  • Unlocking Astaxanthins Potential Health Benefits
    Astaxanthin is a carotenoid and pigment typically found in water-living organisms It's an antioxidant that may help brain, eye, and skin health Astaxanthin is generally safe to use, but it can cause some digestive issues
  • Astaxanthin Benefits, Foods, Dosage and Side Effects - Dr. Axe
    As one of the most potent carotenoids and antioxidants found in nature, astaxanthin benefits many aspects of health, from diminishing wrinkles to upgrading your workout routine





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