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Carotenosis is a benign and reversible medical condition where an excess of dietary carotenoids results in orange discoloration of the outermost skin layer. The discoloration is most easily observed in light-skinned people and may be mistaken for jaundice .
[9] [10] After absorbing a photon, the carotenoid transfers its excited electron to chlorophyll for use in photosynthesis. [9] Upon absorption of light, carotenoids transfer excitation energy to and from chlorophyll. The singlet-singlet energy transfer is a lower energy state transfer and is used during photosynthesis. [7]
The two primary isomers of carotene, α-carotene and β-carotene, differ in the position of a double bond (and thus a hydrogen) in the cyclic group at one end (the right end in the diagram at right). β-Carotene is the more common form and can be found in yellow , orange , and green leafy fruits and vegetables .
In Texas, at least 90 cases of measles have been reported in recent weeks across the northwest part of that state. Among those cases are five people who say they’ve been vaccinated.
An elderly Nevada man looking for love was allegedly drugged and pushed across the US border into Mexico in a wheelchair by a “sinister” scammer before being found dead in a Mexico City hotel ...
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Stephen Thomas Erlewine of AllMusic says: "Aside from having lesser-known hits such as 'First Date' and 'A New Day Has Come,' NOW 10 is recommended because it captures the particular sound and spirit of the time it covers." He adds, "The album captures that feeling of the music industry's slump in terms of sales and quality, and unlike radio in ...
Where wildfires are burning in Texas right now. Tracking the fires: Texas fires map: Track wildfires as Smokehouse Creek blaze engulfs 500,000 acres. Contributing: Ramon Padilla, Karina Zaiets ...