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
which: α-carotene is β,ε-carotene; β-carotene is β,β-carotene; γ-carotene (with one β ring and one uncyclized end that is labelled psi) is β,ψ-carotene; δ-carotene...
23 KB (2,691 words) - 14:47, 11 September 2024
contain unsubstituted beta-ionone rings (including β-carotene, α-carotene, β-cryptoxanthin, and γ-carotene) have vitamin A activity (meaning that they can...
44 KB (5,282 words) - 00:53, 12 September 2024
Vitamin A (section β-carotene safety)
B) the carotenoids alpha-carotene, β-carotene, gamma-carotene, and the xanthophyll beta-cryptoxanthin (all of which contain β-ionone rings) that function...
108 KB (12,570 words) - 12:21, 17 September 2024
following chemical reaction beta-carotene + O2 → 2 all-trans-retinal This is a cleavage reaction which cleaves β-carotene, utilizes molecular oxygen, is...
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Zeaxanthin (redirect from Β,β-carotene-3,3'-diol)
Ninlayarn, Thanyanun; et al. (22 May 2012). "Comparative Analysis of β-Carotene Hydroxylase Genes for Astaxanthin Biosynthesis". Journal of Natural Products...
22 KB (2,197 words) - 08:49, 18 May 2024
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...
12 KB (1,413 words) - 07:00, 13 May 2024
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...
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apples, and bovine blood serum. In terms of structure, β-cryptoxanthin is closely related to β-carotene, with only the addition of a hydroxyl group. It is...
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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...
38 KB (3,979 words) - 15:20, 18 August 2024
is synthesized from the breakdown of β-carotene. First, the β-carotene 15,15'-monooxygenase cleaves β-carotene at the central double bond, creating an...
47 KB (5,124 words) - 03:29, 16 September 2024
Hutt Lagoon (section β-carotene)
presence of the carotenoid-producing algae Dunaliella salina, a source of β-carotene, a food-colouring agent and source of vitamin A. The lagoon contains the...
10 KB (1,134 words) - 17:47, 26 August 2024
{hc}{\Delta E}}} A common example of this phenomenon is in β-carotene.[citation needed] β-carotene (C40H56) is a conjugated polyene with an orange color and...
36 KB (5,982 words) - 09:01, 3 July 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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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...
28 KB (2,640 words) - 05:08, 22 August 2024
Harvest Plus Project) in Nigeria for their high concentrations of β-carotene. β-carotene is a precursor to Vitamin A. Vitamin A deficiency is a major issue...
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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)...
28 KB (2,695 words) - 17:46, 14 September 2024
Damascenone (redirect from Β-damascenone)
the cyclization of lycopene to β-carotene is shown in Scheme 2. Next β-carotene reacts with O2 and the enzyme β-carotene ring hydroxylase producing zeaxanthin...
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carotenoid derivatives which elute immediately after β-carotene and γ-carotene. Additional analysis of γ-carotene can be accomplished through the use of an isotope...
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Senior dog diet (section β-Carotene)
various diseases. By including omega-3 and omega-6 fatty acids, vitamin E, β-carotene as well as pre- and pro-biotics, the immune system can be boosted and...
37 KB (4,627 words) - 21:19, 13 August 2024
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
β-Cyclocitral (beta-cyclocitral) is an apocarotenoid derived from the C7 oxidation of β-carotene. This apocarotenoid has revived interest due to its roles...
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food colorings, fabric dyes (azo compounds), pH indicators, lycopene, β-carotene, and anthocyanins. Various factors in a chromophore's structure go into...
12 KB (1,141 words) - 16:43, 4 September 2024
of vitamin A, even though it has 50% less pro-vitamin A activity than β-carotene. The empirical chemical formula for apocarotenal is C30H40O. Apocarotenal...
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contain sporopollenin in some species. Sporopollenin is formed out of β-carotene and is very resistant to biological and chemical degradation. Zygomycete...
29 KB (3,400 words) - 14:22, 20 May 2024
Carrot Carrots can be eaten in a variety of ways. Only 3 percent of the β-carotene in raw carrots is released during digestion: this can be improved to 39%...
49 KB (5,421 words) - 13:53, 15 September 2024
from carotenoids — either from α-carotene or β-carotene — both of which are carotenes. They also produce it from β-cryptoxanthin, a type of xanthophyll...
33 KB (3,318 words) - 20:15, 11 September 2024
name for β-carotene, which has only about 1/6 the biological activity of retinol (vitamin A); the body uses an enzyme to convert β-carotene to retinol...
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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...
5 KB (321 words) - 11:11, 1 February 2024