The term carotene (also carotin, from the Latin carota, "carrot") is used for many related unsaturated hydrocarbon substances having the formula C40Hx...
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β-Carotene (beta-carotene) is an organic, strongly colored red-orange pigment abundant in fungi, plants, and fruits. It is a member of the carotenes, which...
34 KB (3,541 words) - 03:15, 16 August 2024
contain unsubstituted beta-ionone rings (including β-carotene, α-carotene, β-cryptoxanthin, and γ-carotene) have vitamin A activity (meaning that they can...
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Vitamin A (section β-carotene safety)
to become a retinyl ester, and B) the carotenoids alpha-carotene, β-carotene, gamma-carotene, and the xanthophyll beta-cryptoxanthin (all of which contain...
108 KB (12,577 words) - 21:45, 5 September 2024
ζ-Carotene (zeta-carotene) is a carotenoid. It is different from α-carotene and β-carotene because it is acyclic. ζ-Carotene is similar in structure to...
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δ-Carotene (delta-carotene) or ε,ψ-carotene is a form of carotene with an ε-ring at one end, and the other uncyclized, labelled ψ (psi). It is an intermediate...
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α-Carotene (alpha-carotene) is a form of carotene with a β-ionone ring at one end and an α-ionone ring at the opposite end. It is the second most common...
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γ-Carotene (gamma-carotene) is a carotenoid, and is a biosynthetic intermediate for cyclized carotenoid synthesis in plants. It is formed from cyclization...
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Lycopene (redirect from Psi-carotene)
Lycopene is an organic compound classified as a tetraterpene and a carotene. Lycopene (from the Neo-Latin Lycopersicon, the name of a former tomato genus)...
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ε-Carotene (epsilon-carotene) is a carotene. It can be synthesized from 2,7-dimethyl-2,4,6-octatrienedial and 2-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-butenal...
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(Oryza sativa) produced through genetic engineering to biosynthesize beta-carotene, a precursor of vitamin A, in the edible parts of the rice. It is intended...
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Lutein (redirect from Β,ε-carotene-3,3'-diol)
principal natural stereoisomer of lutein is (3R,3′R,6′R)-beta,epsilon-carotene-3,3′-diol. Lutein is a lipophilic molecule and is generally insoluble in...
25 KB (2,641 words) - 20:53, 12 March 2024
Zeaxanthin (redirect from Β,β-carotene-3,3'-diol)
Zeaxanthin biosynthesis proceeds from beta-carotene via the action of a single protein, known as a beta-carotene hydroxylase, that is able to add a hydroxyl...
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include alpha- and beta-carotene, beta-cryptoxanthin, lycopene, lutein, and zeaxanthin. The primary serum carotenoids are beta-carotene, lycopene, and lutein...
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Blakeslea trispora (section β-carotene)
produce carotenoids, particularly, β-carotene and lycopene. β-carotene is a vitamin A precursor and both of β-carotene and lycopene play a significant role...
18 KB (1,986 words) - 01:58, 23 May 2024
In enzymology, beta-carotene 15,15'-dioxygenase, (EC 1.13.11.63) is an enzyme with systematic name beta-carotene:oxygen 15,15'-dioxygenase (bond-cleaving)...
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9,9'-dicis-zeta-carotene desaturase (EC 1.3.5.6, zeta-carotene desaturase, ZDS) is an enzyme with systematic name 9,9'-dicis-zeta-corotene:quinone oxidoreductase...
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harmful. The body converts the dimerized form, carotene, into vitamin A as it is needed, so high levels of carotene are not toxic, whereas the ester (animal)...
47 KB (5,135 words) - 21:46, 5 September 2024
forms γ-carotene by converting one of the ψ acyclic ends of the lycopene as a β-ring, then subsequently converts the other to form β-carotene. From β-carotene...
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Beta-carotene isomerase (EC 5.2.1.14, DWARF27 (gene)) is an enzyme with systematic name beta-carotene 9-cis-all-trans isomerase. This enzyme catalyses...
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Beta-carotene 3-hydroxylase (EC 1.14.13.129, beta-carotene 3,3'-monooxygenase, CrtZ) is an enzyme with systematic name beta-carotene,NADH:oxygen 3-oxidoreductase...
4 KB (407 words) - 18:39, 26 August 2023
Zeta-carotene desaturase may refer to: 9,9'-Dicis-zeta-carotene desaturase, an enzyme Carotene 7,8-desaturase, an enzyme This set index page lists enzyme...
450 bytes (51 words) - 15:24, 5 February 2015
ζ-Carotene isomerase (EC 5.2.1.12, Z-ISO, 15-cis-zeta-carotene isomerase) is an enzyme with systematic name 9,15,9'-tricis-zeta-carotene cis-trans-isomerase...
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Dunaliella salina (section β-carotene)
evaporation ponds. To survive, these organisms have high concentrations of β-carotene to protect against the intense light, and high concentrations of glycerol...
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Carotene epsilon-monooxygenase (EC 1.14.99.45, CYP97C1, LUT1) is an enzyme with systematic name alpha-carotene:oxygen oxidoreductase (3-hydroxylating)...
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9-cis-beta-carotene 9',10'-cleaving dioxygenase (EC 1.13.11.68, CCD7 (gene), MAX3 (gene), NCED7 (gene)) is an enzyme with systematic name 9-cis-beta-carotene:O2...
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contains more beta-carotene and vitamin C than yellow bananas. It also contains potassium and iron. The redder the fruit, the more carotene and the higher...
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All-trans-zeta-carotene desaturase (EC 1.3.99.26, Crtlb, phytoene desaturase (ambiguous), 2-step phytoene desaturase (ambiguous), two-step phytoene desaturase...
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Ginkgo biloba and the cannabinoids found in cannabis. The provitamin beta carotene is a terpene derivative called a carotenoid. The steroids and sterols in...
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List of phytochemicals in food (section Carotenes)
greens, red, orange and yellow fruits and vegetables. γ-Carotene - to vitamin A, δ-Carotene ε-carotene Lycopene Vietnam Gac, tomatoes, grapefruit, watermelon...
20 KB (1,240 words) - 15:56, 9 May 2024