"June Mulberry Ginseng",
Summer is the season to eat mulberries
Last time I wrote that this mulberry is a good thing,
Friends who ate mulberries
After eating there is no
The anguish of "hands stained black"?
Hahahahaha
(Sorry)
Mulberry this little goblin,
Sweet and sour appetizers! But once you eat it, you can't wash it off
It's not just mulberries!
A large part of the fruit will have this situation~
Such as lychees, green-skinned walnuts...
This is because some of these fruits are difficult to dissolve in water.
For example: alkaloids
*Ah it is a class of nitrogen-containing ones that exist in biological nature:
And the characteristics of this thing are:
So when the juice of these fruits gets on your hands,
If it is not dealt with in time
Water and partial solvents can dissolve these organic matter,
After evaporation
It will leave some substances that are difficult to dissolve in water
These substances are attached to the hands and are difficult to wash off!
Only through the corresponding
Or weak acid and weak base, after acid-base neutralization reaction can be washed away!
White vinegar, which is often prepared at home, has the effect of softening keratin
And it can change the pH of the skin
So you can quickly wash the contaminated pigments
Hey, did you find the answer?
After eating mulberries in the summer, I know how to deal with a black hand
Source: CCTV goes home for dinner