Waxes on apple skins are mainly divided into the following three types:
1, the natural fruit wax on the surface of apple itself
There is a layer of fruit wax on the surface of fresh apples, but there is a thin layer of fruit powder, which is not like light. This is a lipid component, which is a plant protective layer formed on the surface of apple. It is usually white powder when scraped with a knife. Can effectively prevent external microorganisms and pesticides from invading the pulp, play a protective role, and do not need to be removed.
2. Edible wax artificially added by some imported apples.
This "artificial fruit wax" is actually a chitosan substance, which is mostly extracted from crustaceans such as crabs and shells. Harmless to human body, but not delicious. This artificial fruit wax is usually scraped into pieces with a knife.
3. Industrial wax
Some unscrupulous traders wax fruits with industrial wax, and the mercury and lead contained in them may penetrate into the pulp through the peel, which will do harm to human body.
Extended data:
Different colors of apples have different effects.
1, red apple
The effect of reducing blood lipid and softening blood vessels is greater than that of green apples and yellow apples. Eating more for the elderly helps to protect the cardiovascular and cerebrovascular diseases.
2. Green apples
It has the effect of nourishing liver and detoxifying, and can resist depression, so it is more suitable for young people to eat. Green apples can also promote the growth of teeth and bones and prevent gum bleeding.
3. Yellow apples
It has a good effect on protecting eyesight, and office workers who often use computers can eat it properly. It can also strengthen the body's immune system, which is also good for preventing some cancers.
People's Network-Different colors of apples have different nutrition. How to distinguish waxed apples?