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单词 carotenoid
释义

carotenoid

noun

ca·​rot·​en·​oid kə-ˈrä-tə-ˌnȯid How to pronounce carotenoid (audio)
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

Example Sentences

Recent Examples on the Web The wolfberry, also known as goji, is rich in zeaxanthin, an antioxidant, and a carotenoid called lutein, which can help reduce the risk of eye disease. Priscilla Totiyapungprasert, The Arizona Republic, 25 Apr. 2022 Pink seafoods like heart-healthy salmon and shrimp have high levels of a certain carotenoid with antioxidant properties known as astaxanthin. Kelsey Ogletree, Better Homes & Gardens, 10 Feb. 2022 Almonds are the richest in vitamin E, and pistachios have lutein and zeaxanthin, carotenoids important for eye health. SELF, 8 Aug. 2019 Packed with vitamins C and K, folate, potassium and fiber, spinach is also an exceptionally rich source of three carotenoids — beta-carotene, lutein, and zeaxanthin. Darlene Zimmerman, Detroit Free Press, 21 Dec. 2019 John Erdman, a nutrition scientist at the University of Illinois who has spent much of his career studying carotenoids, agrees with Hammond. Daphne Miller, Washington Post, 23 Sep. 2019 But leaves also contain other chemicals like carotenoids, anthocyanins and flavonols. Emily Goodykoontz | The Oregonian/oregonlive, oregonlive, 20 Oct. 2019 Pigments called carotenoids and anthocyanins are responsible for fall colors. cleveland, 14 Oct. 2019 Cooking also makes the carotenoid more bioavailable. Daphne Miller, Washington Post, 23 Sep. 2019 See More

Word History

First Known Use

1911, in the meaning defined above

Medical Definition

carotenoid

noun

ca·​rot·​en·​oid
variants also carotinoid
kə-ˈrät-ᵊn-ˌȯid How to pronounce carotenoid (audio)
: 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
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更新时间:2024/11/14 1:26:56