Why does white powder appear after washing fruits with hot water in winter 10

How to pick good fruits.

Fruits are generally easier to distinguish whether they are waxed or not:

First, the waxed skin of the fruit is bright in color, reflective, and feels particularly smooth when touched by hand.

Second, you can use fire to light the skin of the fruit, if the skin is a little melted, it is a waxed fruit.

Third, when rinsing with water, if water beads are attached to the surface, fruits with good waterproof properties are generally waxed.

Fourth, you can wipe the surface of the apple with your hands or a napkin. If you leave a reddish or green color, it may be an industrial wax and do not buy it.

Fifth, the fruit that scrapes the fruit with a knife and the white powder will appear is the waxed fruit.

Finally, smell whether the fragrance is strong, most of the naturally ripe fruits can smell a fruity aroma on the skin. If the taste is very light, it means that the wax is very thickly sealed.

How to wash waxed fruits.

If you have accidentally bought waxed fruit back home, you should wash it carefully even if you peel it before eating, so as not to bring harmful substances to the pulp during the peeling process. Here are a few ways to clean waxed fruits for your reference::

First, after the fruit is soaked in water, put a little salt on the skin, and then gently rub the fruit back and forth with both hands, so that the dirty things can be rubbed clean quickly, and then rinsed with water, you can eat with confidence.

Second, washing fruits with hot water makes it easy to wash off the preservatives on the skin of the fruits. It can be washed with rice washing water, or you can apply toothpaste to the surface of the fruit as a detergent.

Thirdly, prepare a small basin with some starch or flour and wash the fruit. This method also works with a variety of fruits.

There is bleach powder in the tap water.

Could it be vegetable wax?

1.It is possible that the fruit itself secretes a layer of self-protective epidermal wax2It may also be the insect repellent fruit wax sprayed by the fruit farmer, and the second way is to clean it yourself

Method 1: After the apples are soaked in water, put a little salt on the skin, and then gently rub the apples back and forth with both hands, so that the dirty things can be rubbed clean quickly, and then rinsed with water, you can eat with confidence.

Method 2: Wash apples with hot water, it is easy to wash off the preservative of the apple skin. It can be washed with rice washing water, or you can apply toothpaste to the surface of the apple as a detergent.

Method 3: Prepare a small basin, put some starch or flour, and wash the apples. This method is also suitable for washing pears and grapes, especially grapes.