Does the color of an egg's yolk mean anything?

Not each chickenhearted yolks look the same. Some are airy yellowish — portion immoderate are truthful orangish they're astir red. 

But what does it mean? Are egg yolks similar lettuce, wherever a darker colour indicates much nutrients?

Fox News Digital spoke to an ovum adept to ace the case. 

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The colour of a chickenhearted yolk, cookbook writer and backyard chickenhearted adept Lisa Steele told Fox News Digital, "is wholly babelike connected the hen's diet." 

Steele, who lives successful Maine, is the creator of Fresh Eggs Daily, a website astir raising chickens. She is besides the writer of "The Fresh Eggs Daily Cookbook." 

Chicken ovum yolks travel successful a spectrum of colors, from airy yellowish to acheronian orange.  (iStock)

"Foods that are precocious successful xanthophyll and carotene, which are fundamentally pigments called carotenoids, volition marque bully acheronian orange ovum yolks," she said. 

Carotene is recovered successful orange-colored foods, she said, specified arsenic carrots, mangoes, cantaloupe and pumpkins. 

Xanthophyll tin beryllium recovered successful leafy greenish vegetables, similar spinach and kale. 

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But portion a darker ovum yolk does not mean a chickenhearted is eating a nutritious, integrated oregon caller diet, "it apt volition correlate, since the foods with the pigment are besides packed with different nutrients," she said. 

Even so, provender companies and commercialized ovum farms person discovered workarounds to make a darker ovum yolk without these nutrient-dense foods, Steele said. 

The colour of an ovum yolk is wholly babelike upon a hen's diet, an adept said. A fare with much carotenes and xanthophylls volition nutrient a darker yolk.  (iStock)

These companies "have gotten astute and realized that consumers privation to spot that agleam orangish yolk, truthful they'll adhd things similar marigold, paprika, oversea kelp, maize [and] alfalfa to 'artificially' boost the yolk color," she said. 

To guarantee the most nutritious eggs possible, Steele suggests customers look for definite labels connected cartons astatine the market store. 

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Chickens that are "pasture-raised" oregon "free range" volition typically laic eggs with a darker, much orange-colored yolk, Steele said, "because their fare consists chiefly of grasses, weeds and different plants."

It is important to enactment that "cage-free" and "pasture-raised" are not the aforesaid thing, she said.

Chickens that person entree to the outdoors typically person a much varied diet, producing a darker ovum yolk, an adept said.  (iStock)

Pasture-raised eggs are the "gold standard," Steele told Fox News Digital, noting that immoderate "cage-free" chickens whitethorn inactive beryllium surviving retired their lives successful a warehouse. 

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The eggs from pasture-raised chickens person little cholesterin and much nutrients, Steele said, due to the fact that of their healthier, much varied diets. 

Yolks are not the lone happening that travel successful antithetic colors. 

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The shells alteration arsenic well. 

Unlike yolks, the colour of a ammunition has thing to bash with the nutritional worth of the egg, said Steele.

Eggshell colour has thing to bash with the nutritional worth of the egg. (Yulii Zozulia / Ukrinform/Future Publishing via Getty Images)

The colour is "purely based connected the breed of chicken," Steele said. 

"Some hens person brownish dye, portion others person bluish and immoderate person none." 

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And that's nary yolk.