An organic compound that occurs as an orange-yellow to red pigment in many plants and in animal tissue. In animals, it is converted to vitamin A by the liver. Carotenes give plants such as carrots, pumpkins, and dandelions their characteristic color. ...
An organic compound that occurs as an orange-yellow to red pigment in many plants and in animal tissue. In animals, it is converted to vitamin A by the liver. Carotenes give plants such as carrots, pumpkins, and dandelions their characteristic color. ...
Thecarotenoidsare a range of lipid-associated pigments widely present in higher plants and algae. They are responsible for many of the orange-yellow colors of fruits and vegetables such as red peppers, tomatoes, carrots, and bananas. They are also responsible for the yellow skin ground color of...
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美['kærəti:n] 英['kærəti:n] n.胡萝卜素 网络类胡萝卜素;胡罗卜素;叶红素 复数:carotenes 权威英汉双解 英汉 英英 网络释义 carotene n. — see also beta-carotene 1. 胡萝卜素a red or orange substance found in carrots and other plants ...
9.The scarlet ibis, like the flamingo, gains its vibrant color from carotene derived from a diet of crustaceans. 红鹮和火烈鸟一样,吃一些甲壳类动物,在体内生成胡萝卜素,就形成了它鲜艳的颜色。 10.Beta carotene, the same natural pigment found in carrots, is a means of adding color to the mix...
carotenoid(n.) "carotene-like pigment found in living things," 1913, from Germancarotinoïde(1911), fromcarotin(seecarotene) +-oid. -ine *ker- See all related words (4)> Advertisement Trends ofcarotene Sharecarotene ‘cite’ https://www.etymonline.com/word/carotene ...
Crustacyanin, for example, is a dark blue pigment found in lobster shell (Lerfall, 2016; Alcaíno et al., 2016). Table 1. Characteristic colors of carotenoids pigments PigmentNumber of conjugated double bondsColor Phytoene 3 Colorless ζ-Carotene 7 Light yellow 4,4′-Diaponeurosporene 9 ...
pigment; this pigment also is known as carotene, which is necessary for the A. It helps peopl e hav e a healthy diet.body to produc e vitamin A, and whil e ther e ar e no dietary guidelines for B. Too much caroten e may do harm to us.carotene, it is advised that adult males...
考查细节理解,根据第二段最后一句话"The condition is more visible onthose who have light skin, but people of any skin color can be affected",句意:这种情况在浅色皮肤的人身上更明显,但任何肤色的人都可能受到影响。可知皮肤颜色浅的人这种症状更明显3.考查细节理解,根据第三段第4-5行"this pigment ...