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Lutein (/ ˈ lj uː t i ɪ n,-t iː n /; [2] from Latin luteus meaning "yellow") is a xanthophyll and one of 600 known naturally occurring carotenoids.Lutein is synthesized only by plants, and like other xanthophylls is found in high quantities in green leafy vegetables such as spinach, kale and yellow carrots.
Beta-glucan. Chitin fungi includes other edible mushrooms. Lentinan fruit body of shiitake (Lentinula edodes mycelium (LEM)) and other edible mushrooms. Fructan. Inulins diverse plants, e.g. topinambour, chicory. Lignin stones of fruits, vegetables (filaments of the garden bean), cereals. Pectins fruit skin (mainly apple and, quince), vegetables.
[3] [17] Vietnamese gac fruit contains the highest known concentration of the carotenoid lycopene. [18] Although green, kale, spinach, collard greens, and turnip greens contain substantial amounts of beta-carotene. [3] The diet of flamingos is rich in carotenoids, imparting the orange-colored feathers of these birds. [19]
β-Carotene (beta-carotene) is an organic, strongly colored red-orange pigment abundant in fungi, [7] plants, and fruits. It is a member of the carotenes , which are terpenoids (isoprenoids), synthesized biochemically from eight isoprene units and thus having 40 carbons .
The two primary isomers of carotene, α-carotene and β-carotene, differ in the position of a double bond (and thus a hydrogen) in the cyclic group at one end (the right end in the diagram at right). β-Carotene is the more common form and can be found in yellow , orange , and green leafy fruits and vegetables .
Sources include wheat germ, seabuckthorn, nuts, seeds, whole grains, green leafy vegetables, kiwifruit, vegetable oil, and fish-liver oil. Alpha-tocopherol is the main form in which vitamin E is consumed. Recent studies showed that some tocotrienol isomers have significant anti-oxidant properties.
Here are seven foods that contain dangerous levels of lead. Kresopix / istockphoto. 1. Root Vegetables. Root vegetables like carrots, sweet potatoes, beets, turnips, and radishes naturally absorb ...
Seeds also contain oil ducts and canals. Seeds vary somewhat in size, ranging from less than 500 to more than 1000 seeds per gram. [5] The carrot is a diploid species, and has nine relatively short, uniform-length chromosomes (2n=18).