| 释义 |
Definition of carotene in English: carotenenoun ˈkarətiːnˈkɛrəˌtin mass nounChemistry An orange or red plant pigment found in carrots and many other plant structures. It is a terpenoid hydrocarbon with several isomers, including beta-carotene. Example sentencesExamples - In most cases, early spring grass will contain fairly high levels of carotene (precursor to vitamin A) and will adequately meet the cow's requirement.
- Laboratory tests only showed low carotene and vitamin A, indicating malabsorption.
- Carotenoids are usually red, orange, or yellow pigments, and include the familiar compound carotene, which gives carrots their color.
- The best defense then, is to provide a wide variety of fresh fruits and vegetables to gain as many nutrients as possible, while frequently offering those foods known to be high in carotene or vitamin A.
- Your body converts their carotene into Vitamin A, which it needs for proper vision.
Origin Mid 19th century: coined in German from Latin carota (see carrot). Definition of carotene in US English: carotenenounˈkerəˌtēnˈkɛrəˌtin Chemistry An orange or red plant pigment found in carrots and many other plant structures. It is a terpenoid hydrocarbon with several isomers, including beta-carotene. Example sentencesExamples - Your body converts their carotene into Vitamin A, which it needs for proper vision.
- In most cases, early spring grass will contain fairly high levels of carotene (precursor to vitamin A) and will adequately meet the cow's requirement.
- Laboratory tests only showed low carotene and vitamin A, indicating malabsorption.
- The best defense then, is to provide a wide variety of fresh fruits and vegetables to gain as many nutrients as possible, while frequently offering those foods known to be high in carotene or vitamin A.
- Carotenoids are usually red, orange, or yellow pigments, and include the familiar compound carotene, which gives carrots their color.
Origin Mid 19th century: coined in German from Latin carota (see carrot). |