鸡蛋也分等级 在美国,鸡蛋必须标明等级(Grade)才可以售卖,信息都藏在鸡蛋盒外面的小小标签上。根据美国农业部(USDA),鸡蛋生产商可以使用“Grade AA”、“Grade A”、“Grade B”三个级别。 Grade AA蛋中之王 这种蛋的蛋壳没有斑点,光滑椭圆,蛋黄、蛋白紧实,适合要鸡蛋非常有型的那种烹饪,比如:煎蛋。Grade A蛋...
Now that you know what egg grading is, it's time to take a look at the difference in grades — Grade AA, Grade A, and Grade B. What sets Grade AA eggs apart from eggs in the grades below are their near-perfect yolks, blemish-free exterior, and thick egg whites,Business Insidershare...
The grade letters—I typically see Grade AA, Grade A, and rarely Grade B, at the grocery store—represent the quality of the egg according to the USDA. Quality, in this case, refers to how the exterior and interior look, rather than the nutritional value or size of the eggs. The USDA...
Eggs are a staple in every bodybuilder's diet. Every meal plan for every training program, whether it is for gaining or losing mass, includes eggs. Grade AA eggs are the best. Larger eggs have more protein and calories. The color of the egg is determined...
However, eggs that have been graded by the USDA will be marked as grade AA or grade A on the front of the carton of eggs. Graded eggs are required to have a pack date printed on the carton (2). The pack date is different than the expiration date. ...
(egg processors will sometimes spray eggs with mineral oil or food oil to retain moisture and prevent bacteria from penetrating the shell). She used the same USDA standards used in commercial egg-processing plants to grade the eggs (grades AA, A, and B), and she weighed them each week ...
Grade A: Grade A eggs are nearly as good as grade AA. The grading scanner can detect the slight differences between these eggs and the grade AA eggs. But, these differences are so minor that humans may not notice any difference from the grade AA eggs. Grade B: These eggs are inferior...
Here in the US, we grade eggs by their freshness. Grade AA, Grade A, and Grade B. As eggs age they start to lose density. When they are very fresh, the thin white membrane that attaches to the shell is very strong, but as it ages this membrane weakens and the air sack enlarges ...
In supermarkets, some eggs have been graded. The most common grades we came across are Grade AA and Grade A, although Grade B eggs exist. Grades indicate quality, not nutrition or safety levels. Grade AA eggs have shells that are clean and unbroken, with an air cell bubble not more than...
Grade: In the grading process, eggs are examined for both interior and exterior quality, and are sorted according to weight (size). Grade quality and size are not related to one another. In descending order of quality, grades are AA, A, and B. There is no difference in nutritive value....