The 100-year egg will not include the lead Select and want one to see two to shake

The 100-year egg will not include the lead Select and want one to see two to shake


The sweet-smelling 100-year egg is traditional table delicacies of China. Doubt about the 100-year egg can be much: Why is 100-year egg green and yellow? May it be leaded? How is it healthier to eat the 100-year egg? The reporter has interviewed food science of China Agricultural University and institute associate professor Li XingMin of the nutrition project.
The question that people take the 100-year egg and worry about most may be leaded inside. Can't deny, except added the salt, tea dust and alkaline material while making 100-year egg in the past, such as quick lime, plant ash, will add and oxidize the lead. But with the progress of the craft, oxidizing the lead now has already been substituted by zinc salt. After mixing these materials in proportion, are wrapped up in the fresh egg or duck's egg, then put into airtight container, quiet to put, can salt nutritious, the intersection of taste and delicious 100-year egg down while being about 25 day. Protein, fatty acid of the 100-year egg is when nutriment and fresh egg difference and big.
The albumen of the 100-year egg is yellowish-brown, dark brown; Egg yolk some are blackish green, some are yellow, these are that the raw materials which are made the 100-year egg are different to cause. Generally speaking, what has been done the egg is transparent and golden yellow, there are snow flake spots, egg yolk is yellow; And the opaqueness of turning black of color cooked with the duck's egg, egg yolk is blackish green, there are spots of Song Hua.
Now, select 100-year egg the most important thing is " one watch, 2 shake " . High-quality 100-year egg intact to make material in mud in appearance, have mould spot, make the material the eggshell has no damage completely peel off; There is no turbulence sound while rocking. The whole egg solidifies, not glues the shell, clean and flexible after peeling.
Mainly there are three kinds of ways to eat of the 100-year egg: Boil the porridge, cook the soup and cold and dressed with sauce. The red meat porridge of 100-year egg is the most familiar ways to eat of people, the key finished is that the 100-year egg man wants to divide and cook twice. The cucumber soup of 100-year egg is a way to eat of the simple the daily life, can let the tasteless cucumber be delicious and incomparable. Dish, baby of soup, like people very much too at the make with the intersection of 100-year egg and man, key of dish this to fully boil 100-year egg man and ginger first, could take out of the fresh flavor. The common dish cold and dressed with sauce is 100-year egg of ginger juice, 100-year egg bean curd, green pepper 100-year egg,etc.. It is ginger and vinegar to be cold and dressed with sauce 100-year egg most inevitably, ginger can mention fresh middle and 100-year egg cold; It is alkaline that the vinegar can neutralize 100-year egg, improve the mouthfeel.
The 100-year egg should place on keeping in the photophobic place of ventilation lower in temperature, can't exceed one month. But shell the 100-year egg opened and guarantee the quality time is only two hours, should eat as soon as possible
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