What nutritional changes occur when pear juice changes color? How to prevent pear juice from changing color?

Orange juice is a juice drink made from oranges squeezed by a juicer. It is fresh and has high nutritional value. It can be drunk after being frozen or directly. So what are the nutritional changes after pear juice changes color? How to prevent pear juice from changing color? Let's take a look at the introduction of Encyclopedia Knowledge Network below!

Contents of this article

1. What nutritional changes will occur after the pear juice changes color?

2. How to prevent pear juice from changing color

3. Should I use cold or warm water to squeeze pear juice?

What nutritional changes occur after pear juice changes color?

1. Reduced vitamins

Vitamin C, vitamin A, vitamin E, etc. all have certain antioxidant properties, so after the pear juice changes color, these vitamins are also oxidized and lost.

2. Reduction of phenols

Phenolic compounds not only have antioxidant properties, but also have other functions and effects. They will lose their physiological activity after being oxidized.

How to prevent pear juice from changing color

1. Soak the cut pears in light salt water for about 10 minutes, then add a little fine salt to the pear juice. This can prevent the pear juice from changing color, but it will cause a lot of nutritional loss.

2. When squeezing pear juice, you can add some lemon cubes or lemon juice into the juicer. This can increase the antioxidant capacity of the pear juice and prevent discoloration.

3. After squeezing the pear juice, add a vitamin C tablet, cover the lid tightly, and store it in the refrigerator to prevent discoloration.

4. The best way is to squeeze the juice and drink it immediately. Squeeze as much juice as you want to drink. This way the nutrients are preserved relatively intact and there is no discoloration that affects your appetite.

Should I use cold or warm water to squeeze pear juice?

It is best to use cold water to squeeze pear juice, and mineral water is the best. Pear juice is a very popular drink. Its main ingredient is snow pear. In autumn and winter, the air is irritable and it is easy to have cough problems. Pear juice can moisten the lungs and relieve coughs. It is also healthier and more convenient to make your own pear juice, but it is not suitable to add warm or boiling water.

When you make pear juice at home, it is best to use cold water, because cold water will not destroy the vitamins in the juice and can make the squeezed pear juice taste better. At the same time, it is best to use mineral water instead of tap water, because the ingredients of mineral water are cleaner and the taste will be better, and the squeezed pear juice will be more delicious.

It is not recommended to use warm or boiling water when juicing pears, because warm or boiling water will destroy its vitamin components and make the taste of pear juice very sour. The correct way to squeeze pear juice is to soak the fruit in warm water for 5 minutes, and then squeeze the juice with cold water, which will taste better.