She is also the author of "The Fresh Eggs Daily Cookbook." "Foods that are high in xanthophyll and carotene, which are basically pigments called carotenoids, will make nice dark orange egg yolks ...
How to test egg freshness at home If you want to check if ... or iridescent hue in the egg white or yolk, which can indicate bacterial contamination," Cartwright adds. Cartwright says that ...
“Hens with access to fresh grass and pasture tend to produce eggs with more vibrant yolk colors,” Che said, adding that these hens get sources of protein from bugs, as well as carotenoids and ...