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What is a carotene?

What is a carotene? Here are some definitions.

Noun
  1. (organic chemistry) A class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds.
  2. (organic chemistry) Specifically, a number of isomers of tetraterpene hydrocarbons, C40H56, (especially beta-carotene), present in carrots etc, which are converted into vitamin A in the liver.
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Beech trees have more of a red pigment called anthocyanin and birch trees have more carotene which turns leaves yellow.
If you're a smoker or are regularly exposed to cigarette smoke, studies show that synthetic beta carotene could increase your lung cancer risk.
Try foods that contain vitamin A and beta carotene, such as carrots, yams and cantaloupe.
It also contains various plant steroids that serve as hormone precursors as well as vitamin B 12 and carotene.
Below, we help you decide if vitamin C, vitamin E, and beta carotene are right for you.
The dietetic cause of xanthosis cutis is simply the unduly high consumption of vegetables containing carotene.

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