Cryptoxanthin
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| Cryptoxanthin[1] | |
|---|---|
| Image:Cryptoxanthin.png | |
| Chemical name | (R)-3,5,5-Trimethyl-4-[3,7,12,16- tetramethyl-18-(2,6,6-trimethylcyclohex- 1-enyl)-octadeca-1,3,5,7,9,11,13,15,17- nonaenyl]-cyclohex-3-enol |
| Other names | (3R)-β,β-Caroten-3-ol Cryptoxanthol Caricaxanthin (R)-all-trans-β-Caroten-3-ol Hydroxy-β-carotene |
| Chemical formula | C40H56O |
| Molecular mass | 552.85 g/mol |
| CAS number | [472-70-8] |
| Density | ? g/cm3 |
| Melting point | 169 °C |
| SMILES | CC1(C)C[C@@H](O)CC(C)=C1/C=C/C (C)=C/C=C/C(C)=C/C=C/C=C(C)/C =C/C=C(C)/C=C/C2=C(C)CCCC(C)2C |
| Disclaimer and references | |
Cryptoxanthin is a natural carotenoid pigment. It has been isolated from a variety of sources including the petals and flowers of plants in the genus Physalis, orange rind, papaya, egg yolk, butter, and bovine blood serum.[1]
Chemistry
Structurally, cryptoxanthin is closely related to beta-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, cryptoxanthin is a red crystalline solid with a metallic luster. It is freely soluble in chloroform, benzene, pyridine and carbon disulfide.[1]
Biology and medicine
In the human body, cryptoxanthin is converted to vitamin A (retinol) and is therefore considered a provitamin A. As with other carotenoids, cryptoxanthin is an antioxidant and may help prevent free radical damage to cells and DNA.
Recent findings of an inverse association between β-cryptoxanthin and lung cancer risk in several observational epidemiological studies suggest that β-cryptoxanthin could potentially act as a chemopreventive agent against lung cancer.[1]
References
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
