If yacon is black, can it be eaten? How does yacon preserved?

Under normal circumstances, many people will find that when yakon is cut and placed for a period of time, it will easily become black, which is a very common phenomenon. How can the preserved yacon be not blackened? Let's take a look at the specifics below!

Can Yacon eat black?

The yacon can also be eaten in black.

The yacon browning is mainly caused by oxidation reaction, and the resulting fleas have no special influence on the body and can be eaten. However, the deepening of the color of yacon may affect appetite, and it is better to eat the flesh of the outer layer after it is cut off.

Why does yacon become black

The yacon contains fructooligosaccharides. Its content is the highest among all plants. It is also rich in minerals and trace elements such as calcium, magnesium, iron, zinc, potassium, and selenium. It also contains tannins that are easily oxidized. This component will be oxidized to a brown component in the presence of oxygen, which is brown pigment. Make yacon fruit black.

雪莲果

How does yacon preserve black?

Water soaking

The main purpose of the soaked Yacon soaked in clean water is to isolate oxygen, slow the oxidation process, and prevent the yacon from turning black.

The yacon is slowly oxidized after peeling and cutting. The oxidation process takes about ten minutes. After yakon is cut or peeled, it is soaked in clean cold water as soon as possible. The concentration of oxygen in the water is lower. Low, oxidation is slowed down, and tannic acid produced by oxidation is also dissolved in water, which can prevent the yacon from becoming dark.

Refrigerator refrigeration

The cut Yacon packing plate covered with plastic wrap, it is best to get rid of excess air, and to prevent the icing in the refrigerator, this can not only cut off part of the oxygen, but also reduce the temperature, inhibit browning reaction.

Boiling water

If there is no special emphasis on the practice of yacon, the cut yacon can be boiled with boiled water for 5-10 minutes. This can inactivate the browning enzyme through high temperatures, and the degree of browning after inactivation of the browning enzyme is greatly reduced.

Precautions for eating yacon

1. Yacon is a big cold food, food can not be a lot, their own stomach deficiency friends should not eat yacon, so as not to cause diarrhea, abdominal pain and other symptoms.

2. When eating yacon, it is not suitable to eat milk, eggs, protein powder, soybeans and other high-protein foods, because the stomach is in Deficiency after using yacon, and the digestion of protein foods is slow, easily causing diarrhea, serious Hypoproteinemia can also occur.

Endoscopic Surgical Instruments

Endoscopic Surgical Instruments,Endoscopic Clip Applier,Urology Endoscopic Instruments,Endoscopic Sinus Surgery Instruments

Qingdao DMD Medical Technology Co., LTD , https://www.conston-tech.com