One apple health day to 99 each day shows how high the nutritional value of Apple is. Generally, autumn and winter are the best time for Apple to go public. However, Apple can be sold all year round. Waxing the apple surface can be preserved. However, industrial waxes are extremely harmful to the human body.
Different waxing apples:
There is a natural layer of fruit wax on the surface of fresh apples, but there is also a thin fruit powder, which is not a light look. After the harvest of the apple, some merchants will store the apples for the purpose of increasing their value and sell them for the rest of the season. To delay the dehydration of Apple, the waxer is used for polishing and may be sprayed with preservatives. Therefore, the surface is particularly bright and shiny. Apples, especially off-season apples, are best peeled and eaten.
Waxes on apple peels fall into the following three categories:
Natural fruit wax on the surface of apple itself
This is a kind of lipid composition. It is a plant protection layer generated on the surface of apples. It can effectively prevent external microorganisms, pesticides, etc. from invading the pulp and protect it. It does not need to be removed.
Some imported apple artificially added to the edible wax
This "artificial fruit wax" is actually a kind of chitosan material. It is mostly extracted from crustaceans such as crabs and shellfish. The substance itself is harmless to the body. Its role is mainly to preserve freshness and prevent apple from decaying and deteriorating during long-distance transportation and long-term storage. To remove this layer of wax is also very simple and can be removed directly by rinsing with hot water.
Industrial Wax
The mercury and lead contained in it may penetrate into the flesh through the skin and cause harm to the human body.
Method of identification: wipe the surface of the skin with your hand or a napkin, if you can wipe a light layer of red material, it may be industrial wax
The hazards of waxing apples:
Waxing refers to the fact that the surface has been waxed and kept fresh. If apple waxing uses food wax, its main ingredient is pure natural shellac and carnauba wax, which has no effect on human health.
During the interview, the reporter learned from a person familiar with the fruit business at Dikou Road that the fruit waxing on the market is not the kind of wax used. To save costs, some people use industrial waxes as fruits. Waxing. According to related materials, mercury and lead in industrial waxes can cause harm to the human body.
According to the person familiar with the matter, waxing apples are mostly found in imported high-end apples such as snake fruit and imported green apples. In addition, there are also waxing of fruits such as oranges and lemons.
"If you want to know if the waxed fruit is harmful, the most important thing is to distinguish whether it is edible wax or industrial wax, but this is difficult to distinguish with the naked eye." The informed source said that the public can eat fruits before Wipe the surface of the fruit with a paper towel, if you can wipe a light layer of red, there may be industrial wax.
How to wash waxed fruits? May wish to use salt, toothpaste, hot water for cleaning, or use some of the market's special fruit and vegetable cleaning products.
Waxing reasons:
In fact, it is mainly for preservation. Wax forms a protective film on the surface of the fruit, which not only protects the skin of the fruit, improves the glossiness, but also prevents the fruit from evaporating and keeps the fruit delicious. In addition, germs are not easy to invade after waxing, and can be preserved and protected against insects.
China's "Hygienic Standards for the Use of Food Additives" is also allowed to wax the surface of fresh fruit, but it must be added in an appropriate amount using the specified additives. Food wax is an extract of animal and plant natural waxes. The fruit itself naturally forms this substance. Its safety is evaluated. Therefore, the use of edible wax in the skin of fresh fruit is theoretically safe.
Wash wax apple:
Salt cleaning method: Apple soaked in water, put a little salt in the epidermis, and then hold the apple gently back and forth with both hands, the surface of the dirty things will soon be clean, then rinse with water, you can rest assured to eat . According to experts, the principle of this cleaning is to use the small particle state of salt to increase friction, and the salt is also very clean.
Starch cleaning method: Prepare a small bowl, put some starch, and then wash the apples. This method is also suitable for pears and grapes, etc., and the surface of the fruit is not easily discolored. Especially the method of washing grapes is very good, because the grapes are difficult to clean, and washing hard will destroy the original state of the grapes.
Toothpaste cleaning method: To apply toothpaste to the surface of apple as a cleaning agent, this method is also very good. It is also a good idea to wash the apples with hot water, so it is easy to wash away the apple preservatives.
Dedicated cleaning products: Cleaning with apple cleaning products: “Clear Apple†is good for cleaning wax on apple, because when it is used, it does not need to add detergent, so it can be used with confidence.
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