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Extremely aged egg, protein and fat degradation, nutrient loss
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (medium) of Egg aged 2 years (50 g) has 55 calories. That works out to 110 calories per 100 g. It contains 0.5 g of carbs, 4 g of protein, 3.5 g of fat and 0 g of fiber. Its 0.4 µg of B12 covers 15% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Selected: 1 piece (medium) · 50 g
55
KCAL / 50G
Carbs
0.5g
· 0% DV
Protein
4g
· 8% DV
Fat
3.5g
· 4% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 4% · Protein 32% · Fat 64%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 55 kcal | |
| Total fat | 3.5 g | 4% |
| Saturated fat | 1.05 g | 5% |
| Trans fat | 0.02 g | |
| Sodium | 65 mg | 3% |
| Total carbohydrate | 0.5 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 4 g | 8% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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| Serving | Amount | Calories |
|---|---|---|
| 1 piece (medium) | 50 g | 55 kcal |
| 1 piece (extra small) | 30 g | 33 kcal |
| 1 piece (small) | 40 g | 44 kcal |
| 1 piece (large) | 60 g | 66 kcal |
| 1 piece (extra large) | 70 g | 77 kcal |
| 100 g | 100 g | 110 kcal |
| 2 piece (medium) | 100 g | 110 kcal |
| 1 serving (medium) | 100 g | 110 kcal |
Calculated from 110 calories per 100 g.
No—not if it is an ordinary egg that has been kept for two years; discard it without tasting. Aging alone does not preserve an egg, and a long-stored egg cannot be assumed safe based on its appearance or smell.
The name does not identify a standard, widely recognized preserved-egg style. It could describe an egg stored for an unsafe length of time, so do not treat it as a specialty food unless its controlled production and food-safety status are clearly established.
No. A century egg is made by preserving an egg in an alkaline mixture, traditionally with ingredients such as clay, ash, salt, or lime. Despite its name, it is not simply an ordinary egg left to age for years.
There is no standard safe recipe for making an ordinary egg edible by leaving it for two years. Century eggs use a controlled alkaline preservation process, which is different from simply storing a fresh egg for a long time.
You cannot confirm that a two-year-old egg is safe by checking its smell or appearance. A foul odor, leaking, or a cracked shell are warning signs, but their absence does not make it safe; discard it rather than cracking it open.
No; cooking cannot reliably make an egg safe after two years of storage under unknown conditions. Heat may not remove every hazard associated with spoilage, so do not fry, boil, or bake it as a way to rescue it.
Prolonged storage can break down an egg’s structure and alter its color, smell, or texture. Those changes do not prove that it was intentionally preserved; without a verified preservation process, treat the egg as unsafe.
Refrigeration cannot make an egg that has already been stored for two years safe again. There is no reliable refrigerator shelf life to give for this product; discard it instead of trying to continue storing it.
Do not taste an ordinary egg that has been stored for two years. A properly made century egg has a distinctive strong aroma and a firm, jelly-like white, but that culinary description does not apply to an egg of unknown storage history.
Yes, an ordinary egg kept for two years can pose a food-safety risk, even if it looks normal. Do not serve it to children or anyone else, and wash your hands and any surfaces it touched after discarding it.
Vitamins
B12
0.35µg · 15% DV
Biotin
4µg · 13% DV
B5
0.35mg · 7% DV
B2
0.09mg · 7% DV
Minerals
Selenium
6µg · 11% DV
Phosphorus
45mg · 6% DV
Iodine
9µg · 6% DV
Zinc
0.35mg · 3% DV
Sodium
65mg · 3% DV
Potassium ⭐
55mg · 2% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 55 calories in 1 piece (medium) (50 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Egg aged 2 years refers to an egg kept for an unusually long time. The name alone does not tell you how it was preserved or identify it as a dish from a particular region, so it should not be assumed to be the same as a fresh egg or other preserved-egg traditions. Its preparation and storage can vary from product to product.
The flavour and texture depend on the method; it may be served in a small portion on its own or used in a dish. The nutrition listing gives 8 g of protein and 7 g of fat per 100 g, though prolonged aging can affect an egg’s composition. Choose it only from a reliable source that can confirm safe preparation and storage, and avoid it if those conditions are unclear.
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
NOVA 3
Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Contains these allergens:
Vegan
— Not suitable
Vegetarian
— Not suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
1.05g
MONOUNSATURATED
1.35g
POLYUNSATURATED
0.55g
Omega 6:3 ratio 16.7:1
Above the ideal 4:1 (16.7:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.