carotenoid
noun
ca·rot·en·oid
kə-ˈrä-tə-ˌnȯid 
variants
or less commonly carotinoid
: any of various usually yellow to red pigments (such as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units
carotenoid
adjective
Examples of carotenoid in a Sentence
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Also known as sour tea, hibiscus tea is rich in antioxidants, including vitamin C, carotenoids, and anthocyanins.
—
Jillian Kubala, Health, 19 Oct. 2025
Each one delivers a range of vitamins and minerals, including vitamin C, vitamin A (from carotenoids like beta-carotene), folate and smaller amounts of manganese and vitamin K.
—Daryl Austin, USA Today, 16 Oct. 2025
Japanese Sweet Potato May Have More Antioxidants Like other types of sweet potatoes, the Japanese sweet potato is packed with antioxidants, such as polyphenols and carotenoids.
—Sarah Bence, Verywell Health, 2 Oct. 2025
Its soft, red pulp is extremely high in carotenoids (especially lycopene and beta-carotene) and lutein and zeaxanthin.
—New Atlas, 23 Sep. 2025
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Jillian Kubala, Health, 19 Oct. 2025
Each one delivers a range of vitamins and minerals, including vitamin C, vitamin A (from carotenoids like beta-carotene), folate and smaller amounts of manganese and vitamin K.
—Daryl Austin, USA Today, 16 Oct. 2025
Japanese Sweet Potato May Have More Antioxidants Like other types of sweet potatoes, the Japanese sweet potato is packed with antioxidants, such as polyphenols and carotenoids.
—Sarah Bence, Verywell Health, 2 Oct. 2025
Its soft, red pulp is extremely high in carotenoids (especially lycopene and beta-carotene) and lutein and zeaxanthin.
—New Atlas, 23 Sep. 2025
See All Example Sentences for carotenoid
Cite this Entry
“Carotenoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carotenoid. Accessed 22 Oct. 2025.
Copy CitationMedical Definition
carotenoid
noun
ca·rot·en·oid
variants
also carotinoid
: any of various usually yellow to red pigments (as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units
carotenoid
adjective
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