Carotene - Wikipedia
Carotenes are photosynthetic pigments important for photosynthesis. Carotenes contain no oxygen atoms. They absorb ultraviolet, violet, and blue light and scatter orange or red light, and yellow light (in low concentrations).
Beta Carotene: Benefits, Foods to Eat, and More - Healthline
2023年5月23日 · Beta carotene is an antioxidant that converts to vitamin A and plays a very important role in health. Learn about health benefits, risks, and food sources.
β-Carotene - Wikipedia
β-Carotene (beta-carotene) is an organic, strongly colored red-orange pigment abundant in fungi, [7] plants, and fruits. It is a member of the carotenes, which are terpenoids (isoprenoids), synthesized biochemically from eight isoprene units and thus having 40 carbons.
Carotene | Vitamin A, Photosynthesis, Pigments | Britannica
Carotene, any of several organic compounds widely distributed as pigments in plants and animals and converted in the livers of many animals into vitamin A. These pigments are unsaturated hydrocarbons (having many double bonds), belonging to the isoprenoid series.
Beta Carotene: Benefits, What To Eat, and More - Verywell Health
2024年9月21日 · Beta carotene, a type of carotenoid, transforms into vitamin A in the body. Vitamin A supports healthy vision, immunity, skin health, and cognitive function. Because it's an antioxidant, it's also been known to reduce oxidative stress.
Beta-Carotene: Benefits and Best Sources - Cleveland Clinic Health ...
2023年10月18日 · Beta-carotene is a special kind of carotenoid known as a provitamin A carotenoid. That means it’s essentially a precursor to vitamin A. “When it’s absorbed in your body, beta-carotene transforms into vitamin A in your intestines,” Sedlacek explains.
What is beta carotene? What are the benefits? - Medical News Today
2017年12月14日 · Beta carotene is a red-orange pigment found in plants and fruits, especially carrots and colorful vegetables. The body converts beta carotene into vitamin A, which is an essential vitamin.
β-Carotene and Other Carotenoids - Dietary Reference Intakes for ...
The one clear function of certain carotenoids that is firmly linked to a health outcome is the provitamin A activity of some dietary carotenoids (α-carotene, β-carotene, and β-cryptoxanthin) and their role in the prevention of vitamin A deficiency.
β-Carotene Is an Important Vitamin A Source for Humans - PMC
β-Carotene (β,β-carotene) is the most prominent member of the group of carotenoids, natural colorants that occur in the human diet . As a tetraterpenoid it consists of 40 carbon atoms in a core structure of conjugated double bonds substituted with 2 β-ionone rings.
Carotenoids: Everything You Need to Know - Healthline
2018年9月18日 · Carotenoids are pigments in plants, algae, and photosynthetic bacteria. These pigments produce the bright yellow, red, and orange colors in plants, vegetables, and fruits. Carotenoids act as a...