Synonymer & Information om | Engelska ordet ZEAXANTHIN

Exempel på hur man kan använda ZEAXANTHIN i en mening

• The original AREDS study was followed by AREDS2, a five-year study that started in 2006 to test whether the original AREDS formulation would be improved by adding omega-3 fatty acids; adding lutein and zeaxanthin; removing beta-carotene; or reducing zinc.
• A single cup of unseasoned mashed pumpkin contains only 49 calories, but has 564 mg of potassium, 5,000 mcg of beta-carotene, 853 mcg of alpha-carotene, 3,500 mcg of beta-cryptoxanthin, 2,400 mcg of lutein and zeaxanthin, 12,000 IUs of vitamin A, and 2.
• A 2017 randomized controlled trial evaluated macular carotenoid supplements (lutein, zeaxanthin, and mesozeaxanthin) in people with high screen time usage.
• They are dry-season deciduous; before falling, they turn pinkish-reddish or yellow-brown, due to pigments such as violaxanthin, lutein, and zeaxanthin.
• Rutin is a prominent flavonoid, while the main carotenoid is zeaxanthin dipalmitate (49% of the carotenoid fraction), with β-carotene, two cerebrosides, and three pyrrole derivatives as other constituents.
• The name (pronounced zee-uh-zan'-thin) is derived from Zea mays (common yellow maize corn, in which zeaxanthin provides the primary yellow pigment), plus xanthos, the Greek word for "yellow" (see xanthophyll).
• The main carotenoids are beta-carotene, zeaxanthin and lycopene while alpha-tocopherol is the major vitamin E compound.
• It is believed that safranal is a degradation product of the carotenoid zeaxanthin via the intermediate picrocrocin.
• The leaves and stems contain other carotenoids, mostly lutein (80%), zeaxanthin (5%), and beta-carotene.
• Plants, in general, contain six ubiquitous carotenoids: neoxanthin, violaxanthin, antheraxanthin, zeaxanthin, lutein and β-carotene.
• The high content of the carotenoids beta-cryptoxanthin, beta-carotene, and zeaxanthin, along with some lutein and alpha-carotene makes the kaki fruit nutritionally valuable.
• The pigments are composed mainly from chlorophyll a and b and the carotenoids violaxanthin, alloxanthin, monadoxanthin, neoxanthin, lutein, diatoxanthin and zeaxanthin.
• It contains numerous natural products/ secondary metabolites, such as, Pigments (carotene, chlorophyll a, chlorophyll b, lutein, siphonaxanthin, zeaxanthin, siphonein), Polysaccharide (starch), as well as Minerals (heavy metals).
• Xanthophyllic carotenoids such as β-carotene, lutein, and zeaxanthin have often been touted for their ability to help eye functionality.
• This acidification also leads to the protonation of the PsBs subunit of PS II which catalyze the conversion of violaxanthin to zeaxanthin, and is involved in the alteration orientation of the photosystems at times of high light absorption to reduce the quantities of carbon dioxide created and start the non-photochemical quenching, along with the activation of enzyme violaxanthin de-epoxidase which eliminates an epoxide and forms an alkene on a six-member ring of violaxanthin giving rise to another carotenoid known as antheraxanthin.
• In addition they are able to build up a high concentrations of a range of pigments such as astaxanthin, zeaxanthin and canthaxanthin.
• Its carotenoid content has been investigated and the following substances have been found : α-, β, γ-carotene, zeaxanthin, diatoxanthin, mutatoxanthin and astaxanthin.
• Birds have tetrachromatic vision, which means that they have four types of cone cells with peak sensitivities to longwave (l), mediumwave (m), shortwave (s), and ultraviolet (uv) or violet (v) light as well as transparent oil droplets made of carotenoid filters (with mainly the pigments galloxanthin, zeaxanthin, and astaxanthin) that refine spectral sensitivities of the l, m, and s cone-types.
• A plant can increase its capacity for non-photochemical quenching (NPQ) and excess heat dissipation by converting the orange pigment violaxanthin to antheraxanthin and then to light-yellow pigment zeaxanthin.
• Violaxanthin de-epoxidase is a part of the xanthophyll (or violaxanthin) cycle for controlling the concentration of zeaxanthin in chloroplasts.

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