考查细节理解,根据第三段第4-5行"this pigment also is known ascarotene, which is necessary for the body to produce vitamin A",句意:这种色素也被称为胡萝卜素,是人体产生维生素a所必需的。可知胡萝卜素可以用来提供人体所需的维生素A4.考查细节理解,根据文章最后一句"So, if you're looking for a ...
3. Evaluate Carotene: - Carotene is a pigment found in plants and is responsible for the orange color in carrots and other vegetables. - It is a type of protein and is often associated with vitamin A. - Conclusion: Carotene itself is not classified as a vitamin. 4. Evaluate Maltose: -...
One of these antioxidants (Carotene) is a pigment from absorbed from the grass that cattle graze. This is the same pigment that makes carrots and can result in fat that has a yellowish tone. If you’re used to eating grain fed meat, you may be more familiar with fat that is whiter in...
Any of a class of yellow to red pigments, including the carotenes and the xanthophylls. from The American Heritage Dictionary of the English Language, 4th EditionAny of various usually yellow to red pigments ( as ) found widely in plants and animals and characterized chemically by a long ...
beta carotene per 100g 2681 µg Unknown. Help us by suggesting a value. (Kale) Beta carotene is a pigment found in plants and is an antioxidant. When ingested, it converts to vitamin A1 (retinol), which is necessary for eye health, skin health and for maintaining a strong immune sy...
1. 1. Adults of the water mite Eylais extendens contain the following carotenoids: 尾-carotene, a keto-carotenoid, a xanthophyll similar to lutein, and astaxanthin, part of which is esterified. 2. 2. Larvae of the same species contain a keto-carotenoid and astaxanthin, part of which is ...
Beta carotene is a pigment found in plants and is an antioxidant. When ingested, it converts to vitamin A1 (retinol), which is necessary for eye health, skin health and for maintaining a strong immune system. alpha carotene per 100g 69 µg 6 µg Alpha carotene is similar to beta...
Beta-carotene is a type of substance called a carotenoid. Carotenoids give plants such as carrots, sweet potatoes, and apricots their reddish-violet colors. Beta-carotene isa provitamin. Why is beta carotene considered A provitamin? Beta carotene is a plant pigment that gives red, orange, and ...
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All three have a similar and in comparison with free-living blue-green algae a simple pigment composition. They contain chlorophyll a, β-carotene, zeaxanthin, β-cryptoxanthin, C-phycocyanin and allophycocyanin (the latter found not by us but by Chapman [1966] in Cyanophora paradoxa). Typical ...