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 …

Beta-carotene and other red, orange, and yellow pigments called carotenoids are considered antioxidants. They provide about 50% of the vitamin A needed in the diet. Vitamin A is an essential...

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 …

Carotene is a pigment responsible for the orange color of carrots. In all living organisms, carotenes function as antioxidants, which work by making themselves available for energetically favorable …

Nov 11, 2025 · 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 …

Carotenoids are a class of more than 750 naturally occurring pigments synthesized by plants, algae, and photosynthetic bacteria (1). These richly colored molecules are the sources of the yellow, orange, …

These provitamin A carotenoids include alpha carotene, beta carotene, and beta cryptoxanthin. Non-provitamin A carotenoids include lutein, zeaxanthin, and lycopene.

Oct 18, 2023 · Beta-carotene’s benefits include keeping your vision healthy. Find it in foods like carrots, sweet potatoes and leafy greens.

Oct 1, 2025 · Fruits and vegetables are rich in beta-carotene and other nutrients that may be beneficial. Beta-carotene is found in carrots; dark-green leafy vegetables, such as spinach and green leaf …

May 23, 2023 · 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.