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Β-Cryptoxanthin

| Cryptoxanthol | Caricaxanthin | (R)-all-trans-β-Caroten-3-ol | Hydroxy-β-carotene | kryptoxanthin

β-Cryptoxanthin is a natural carotenoid pigment. It has been isolated from a variety of sources including the fruit of plants in the genus Physalis, orange rind, winter squashes such as butternut, papaya, egg yolk, butter, apples, and bovine blood serum.

Chemistry

In terms of structure, β-cryptoxanthin is closely related to β-carotene, with only the addition of a hydroxyl group. It is a member of the class of carotenoids known as xanthophylls.

In a pure form, β-cryptoxanthin is a red crystalline solid with a metallic luster. It is freely soluble in chloroform, benzene, pyridine, and carbon disulfide. It is insoluble in water like most β-carotenoids.

Biology and medicine

In the human body, β-cryptoxanthin is converted to vitamin A (retinol) and is, therefore, considered a provitamin A. As with other carotenoids, β-cryptoxanthin is an antioxidant and may help prevent free radical damage to cells and DNA, as well as stimulate the repair of oxidative damage to DNA.

Other uses

β-Cryptoxanthin is also used as a substance to colour food products (INS number 161c). It is not approved for use in the EU or USA; however, it is approved for use in Australia and New Zealand.

References

References

  1. ''Merck Index'', 11th Edition, '''2612'''.
  2. (2008). "The carotenoid β-cryptoxanthin stimulates the repair of DNA oxidation damage in addition to acting as an antioxidant in human cells". Carcinogenesis.
  3. (March 2024). "Current EU approved additives and their E Numbers".
  4. "Standard 1.2.4 - Labelling of ingredients".
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

carotenoids tetraterpenes cyclohexenes
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