What is the milky white droplet oozing after peeling sweet potato?

The white juice in the sweet potato vine is a kind of milk, commonly known as white pulp. This white liquid is mainly composed of starch and contains geniposide, which can be used to treat habitual constipation and has a laxative effect. The combination of dietary fiber and geniposide makes the laxative effect of sweet potato have a good effect of no hurry and no delay.

There is milk in the root tuber of sweet potato, and there are milk tubes in the cortex of stem, which can also secrete white milk. If there is more milk when picking seedlings, it shows that potato seedlings are rich in nutrition and strong in vitality, which can be used as one of the indicators to diagnose the quality of potato seedlings.

Extended data:

nutritive value

1, blood tonic: Sweet potato is very rich in nutrition, containing a lot of sugar, protein, fat and various vitamins and minerals, which can be absorbed interactively by the human body to prevent malnutrition and tonify the middle energizer, which is beneficial to spleen and stomach weakness in middle energizer and malnutrition in children;

2, laxative: After the sweet potato is cooked, some starch changes, which can increase dietary fiber by about 40% compared with raw food, which can effectively stimulate intestinal peristalsis and promote defecation.

3. Enhance immune function: Sweet potato contains a lot of mucin, which can prevent the atrophy of liver and kidney connective tissue, improve immunity and prevent collagen disease.

The minerals contained in sweet potato play a very important role in maintaining and regulating human functions. The calcium and magnesium contained in it can prevent osteoporosis; Sweet potato cake sweet potato cake anti-cancer anti-cancer: Sweet potato contains an anti-cancer substance that can prevent and treat colon cancer and breast cancer.

In addition, sweet potato also has the function of scavenging active oxygen, which is one of the reasons for inducing cancer, so the effect of sweet potato on inhibiting the proliferation of cancer cells is very obvious.

4. Anti-aging and prevention of arteriosclerosis: The anti-aging and prevention of arteriosclerosis of sweet potato are mainly caused by its water-removing active oxygen, and mucin contained in sweet potato can keep the elasticity of blood vessel wall and prevent the occurrence of atherosclerosis;

Chlorogenic acid in sweet potato can inhibit the production of melanin and prevent the appearance of freckles and senile plaques. Red can also inhibit skin aging, maintain skin elasticity and slow down the aging process of the body.

References:

Baidu encyclopedia-sweet potato cake