beta-carotene
noun
be·ta-car·o·tene
ˈbā-tə-ˈker-ə-ˌtēn 
-ˈka-rə-
: an isomer of carotene found in dark green and dark yellow vegetables and fruits
Examples of beta-carotene in a Sentence
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For example, the National Institutes of Health Office of Dietary Supplements indicates that one mcg RAE is equivalent to 1 mcg retinol, 2 mcg supplemental beta-carotene, 12 mcg dietary beta-carotene, or 24 mcg dietary alpha-carotene or beta-cryptoxanthin.
—
Bruce Y. Lee, Forbes.com, 5 Apr. 2025
Carrots are a good source of vitamin A (as beta-carotene), fiber, magnesium and potassium, and are low in calories and fat – all nutritional properties that contribute to overall health.
—Alyssa Goldberg, USA Today, 2 Apr. 2025
The vegetable also contains compounds like beta-carotene, lutein and zeaxanthin, which support heart health and improve blood vessel function.
—Angelica Stabile, Fox News, 12 Nov. 2024
Mangoes are also a great source of beta-carotene, which is vital for eye health.8 Yellow mangoes have more carotenoids, and redder mangoes offer more antioxidant and anti-inflammatory properties.
4.
—Lana Barhum, Verywell Health, 20 Mar. 2025
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Bruce Y. Lee, Forbes.com, 5 Apr. 2025
Carrots are a good source of vitamin A (as beta-carotene), fiber, magnesium and potassium, and are low in calories and fat – all nutritional properties that contribute to overall health.
—Alyssa Goldberg, USA Today, 2 Apr. 2025
The vegetable also contains compounds like beta-carotene, lutein and zeaxanthin, which support heart health and improve blood vessel function.
—Angelica Stabile, Fox News, 12 Nov. 2024
Mangoes are also a great source of beta-carotene, which is vital for eye health.8 Yellow mangoes have more carotenoids, and redder mangoes offer more antioxidant and anti-inflammatory properties.
4.
—Lana Barhum, Verywell Health, 20 Mar. 2025
See All Example Sentences for beta-carotene
Cite this Entry
“Beta-carotene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beta-carotene. Accessed 14 Apr. 2025.
Copy CitationMedical Definition
beta-carotene
noun
be·ta-car·o·tene
variants
or β-carotene
: a reddish-orange pigment that is an an isomer of carotene found chiefly in orange and dark green and yellow vegetables and fruits (such as carrots, sweet potatoes, and spinach) and that is converted to vitamin A in the body
Note: Beta-carotene is the most active and widespread provitamin A and is derived commercially from natural sources or is prepared synthetically.
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