Whether it is green-shelled duck eggs or white-shelled duck eggs, they are rich in protein, lipids, calcium, iron and high-quality mineral elements, and have good nutritional value. Eating duck eggs regularly is also beneficial to supplement the necessary nutrients for the body.
However, white-shelled duck eggs and green-shelled duck eggs also have some differences below:
Thickness of the eggshell
White duck eggs: The thickness is thinner than green duck eggs, although it is not visible to the naked eye, you can clearly feel it by touching or weighing it lightly compared to green duck eggs.
Green duck eggs: The thickness of this eggshell is thicker than white duck eggs, the quality of duck eggs with green shells is better than duck eggs with white shells, so choosing blue duck eggs is not only good for health but also better for transportation and storage.
Nutritional content
The protein content of green-shelled duck eggs is 4.23% higher than that of white-shelled duck eggs.
The selenium and lysine content of green-shelled duck eggs is slightly lower than that of white-shelled duck eggs.
The acid and zinc content of green-shelled duck eggs is also higher than that of white-shelled duck eggs.
Although it is said that the nutritional ratio is very small, if compared, you should still choose green duck eggs if you often eat or salt them. Because the shell of green duck eggs is a bit thicker than that of white ones, it will be harder to break and easier to preserve.
About preservation
Green-shelled duck eggs have thick shells, the appropriate storage temperature is from 2 - 5 degrees Celsius. The longer storage time can last up to 40 days. Meanwhile, white-shelled duck eggs are relatively thin, stored at higher temperatures, and have a shorter shelf life.
In general, whether green or white-shelled duck eggs are rich in nutrients. Depending on the purpose of use, you can choose the right type of egg for yourself.
In addition, when buying eggs, you also need to pay attention to the following points to choose fresh and delicious eggs.
When buying eggs, choose eggs with clean and fresh shells from the refrigerated section. Do not buy eggs with many stains, cracks or holes that are susceptible to infection.
After purchasing, quickly put the eggs in the refrigerator. Place the eggs in a carton or soft plastic container because eggs easily absorb the odor of the refrigerator. Fresh eggs can be refrigerated for about 5 weeks after being packaged. If the packaging date of the egg carton is not clearly stated on the packaging, they can be refrigerated for about 3 weeks from the date of purchase.
How to choose fresh duck eggs
When choosing duck eggs, we can rely on our senses to choose fresh, nutritious duck eggs.
Listen to the sound: Pick up the duck egg, hold it close to your ear and shake it gently with your hand. If there is no sound, it means the duck egg is of good quality. If there is a slight noise inside, the duck egg may not be fresh and should not be purchased.
Hand feel: When choosing a balut egg, you can hold it in your hand and feel the texture. It is best to choose balut eggs that feel rough to the touch.