28 kcal P 2.91g C 2.64g F 0.6g
🥚 Dairy and Egg Products
Calories in Eggs, Grade A, Large, egg yolk
The yolk holds nearly all of an egg's vitamins, including the entire supply of fat-soluble vitamins A, D, E, and K.
334 kcal
What makes eggs so powerful?
The vibrant yellow-to-orange color of an egg yolk comes from carotenoids, specifically lutein and zeaxanthin, which the hen deposits into the yolk as it develops. These compounds are the same pigments found in dark leafy greens and marigold petals, which is why pasture-raised hens eating diets rich in these plants produce darker yolks. Chemically, the yolk is a complex oil-in-water emulsion where lipoproteins act as emulsifiers, most notably lecithin. This phospholipid is what makes egg yolks indispensable in culinary applications like mayonnaise and hollandaise, as it binds oil and water together to create a stable, thick emulsion. The yolk forms in the hen's ovary over roughly 10 days, accumulating nutrients layer by layer, which is why a single yolk can contain all the cholesterol, fat, and micronutrients needed to sustain a developing chick embryo. The white, by contrast, is mostly water and protein, serving primarily as a protective cushion and hydration source for the growing embryo.
Emulsification Powerhouse
Lecithin in the yolk binds oil and water, making it essential for stable mayonnaise and sauces.
Rich in Lutein
The carotenoids lutein and zeaxanthin give yolks their color and support human eye health.
Complete Embryo Nutrition
A yolk contains all the fat-soluble vitamins and essential fats required to grow a chick.
💡 When & how to use it
When separating yolks for recipes like custards or aioli, save the whites for later use, as yolks cannot be whipped into a foam. To store leftover yolks safely, cover them tightly with water in an airtight container and refrigerate for up to two days; the water prevents a skin from forming and keeps them from drying out. For nutritional balance, pair yolks with fiber-rich vegetables like spinach or kale to slow fat absorption and add missing vitamins.
Calories by Serving Size
100g
334 kcal
P 16.2g C 1.02g F 28.8g
1 egg (17g)
57 kcal
P 2.8g C 0.2g F 4.9g
200g
668 kcal
P 32.4g C 2g F 57.6g
50g
167 kcal
P 8.1g C 0.5g F 14.4g
Full Nutrition Facts
Per 100g — daily values based on a 2,000 calorie diet
Nutrition Facts
Serving size: 100g
Calories 334
% Daily Value*
Total Fat 28.8g 37%
Total Carbohydrate 1.02g 0%
Protein 16.2g 32%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
How does Eggs fit your daily goals?
67 min
Walking to burn 334 kcal
17%
of 2,000 kcal daily goal
16.2g
protein (32% of daily 50g)
6
servings until 2,000 kcal
Log Eggs in CalRay — just snap a photo
CalRay's AI recognizes eggs and hundreds of thousands of other foods from a photo. No manual lookup needed.
Frequently Asked Questions
How many calories are in Eggs, Grade A, Large, egg yolk?
Eggs, Grade A, Large, egg yolk contains 334 calories per 100g. A standard serving of 1 egg (17g) provides 57 calories. It is relatively calorie-dense, so portion control is important.
How much protein does Eggs, Grade A, Large, egg yolk have?
Eggs, Grade A, Large, egg yolk provides 16.2g of protein per 100g, which is 32% of the 50g daily recommended value. It is a good source of protein.
How many carbs are in Eggs, Grade A, Large, egg yolk?
Eggs, Grade A, Large, egg yolk contains 1.02g of carbohydrates per 100g .
Is Eggs, Grade A, Large, egg yolk good for weight loss?
Eggs, Grade A, Large, egg yolk has 334 kcal per 100g, so portions need to be monitored on a weight-loss diet. Use CalRay to track your intake accurately. Its high protein content (16.2g/100g) helps with satiety.
How do I track Eggs, Grade A, Large, egg yolk calories accurately?
The easiest way to track eggs is with CalRay. Simply snap a photo of your meal and the AI will automatically identify the food and calculate calories and macros based on the estimated portion size — no manual lookup required. You can also search by name and adjust gram weight manually.
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