The name lutein comes from the Latin word, lutea, meaning yellow. At normal
concentrations in food, it is a yellow pigment, but can appear orange or red at
high concentration.
Lutein, a nutrient found mainly
in leafy green vegetables, is thought to protect against light-induced retina
damage. While some studies show positive results from lutein use, more research
is needed to determine its definitive benefits and safety.
Carotenoid lutein is a natural yellow food
colorant extracted from marigold flowers that are grown in commercial
plantations. It is found in high amounts in green leafy vegetables such as
kales, spinach, and yellow carrots. It is also extracted from marigold flowers.
Just like other carotenes, it offers health benefits as it is a robust
antioxidant product used in functional foods.
Lutein
has been studied in animals for diseases like cancer and diabetes, but this
research hasn’t been conducted in humans. The claimed role for lutein in heart
disease is based on findings that people with higher concentrations of lutein
in their blood have fewer clogged arteries, but it is not certain that lutein
is responsible.
Common Uses
It is used as a food
colorant due to its yellow-red color. It absorbs blue light, therefore,
appearing yellow in low concentrations. At high concentrations, the
colorant is orange-red.
It is a widely used
colorant and nutrient supplement in baking products and mixes, soup mixes,
beverages bases, chewing gum,
dairy products, egg products, fats and oils, breakfast cereals, sauces and
gravies, processed fruits and fruit juices, and frozen dairy desserts.
Benefits
Lutein offers a yellow color that
has excellent heat stability, functioning well over a wide range of PH values. Lutein
is oil soluble naturally. It is emulsified to offer water-dispersible liquid.
It’s lipophilic meaning is insoluble in water.
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