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For example, the yellow color of chicken egg yolks, fat, and skin comes from ingested xanthophylls—primarily lutein, which is added to chicken feed for this purpose. The yellow color of the macula lutea (literally, yellow spot) in the retina of the human eye results from the presence of lutein and zeaxanthin. Again, both these specific ...
Whether you've been warned by a doctor or a friend against eating the yolk, it seems that eggs carry a stigma of high cholesterol that could lead to heart disease. We think it's time to crack open ...
Learn the warning signs for both fresh eggs and hard-boiled eggs. Learn the warning signs for both fresh eggs and hard-boiled eggs. Skip to main content. 24/7 Help. For premium support please call
The color of an egg yolk is directly influenced by the makeup of the chicken feed. [22] Egg yolk color is generally more yellow when given a feed containing a large component of yellow, fat-soluble pigments, such as the carotenes in dark green plant material, for example alfalfa. Although much emphasis is put onto the color of the egg yolk, it ...
In the United States lutein may not be used as a food coloring for foods intended for human consumption, but can be added to animal feed and is allowed as a human dietary supplement often in combination with zeaxanthin. Example: lutein fed to chickens will show up in skin color and egg yolk color. [28] [29]
Food coloring, color additive or colorant is any dye, pigment, or substance that imparts color when it is added to food or beverages. Colorants can be supplied as liquids, powders, gels, or pastes. Food coloring is commonly used in commercial products and in domestic cooking.
"More than 20 years ago, researchers discovered there was a correlation between high blood cholesterol and eggs, which gave eggs a bad rap due to the cholesterol level of an egg yolk ...
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