Recently, I saw a kind of rhizome like a big sweet potato in the supermarket, and thought it was a sweet potato. When I walked in, I saw it was a bit like a sweet potato, but there was still a difference. Most of the sweet potatoes were long, and this kind of rhizome was spindle-shaped, like a squashed sweet potato. After consulting the information, I learned that this kind of rhizome was called Doudou, which was the root of leguminous Doudou and was produced in Guizhou, Sichuan, Hunan and China.

the origin of the bean potato

the plant of the bean potato

the bean potato is named because its plant can blossom and produce a string of bean-like pods. Also known as shage, cold potato, sweet potato, Silla, sweet potato, etc., the root tuber is used for eating. Native to South America, Indians first discovered that the tubers of potato were edible. After Columbus discovered the New World, he also brought many species including potato to Europe. In the second half of the 16th century, the Spanish introduced potato to the Philippines, and in the end of 17th century, it was introduced to China, and it was planted in Guangdong, Guangxi and Fujian. Nutritional components of sweet potato < P > The tuber of sweet potato is rich in sugar and protein, and 1 grams of fresh sweet potato contains 7.6-11.9 grams of carbohydrates, and some vitamins and minerals. Its meat is white, tender and crisp, sweet and juicy, and can be eaten raw or cooked. Because it is rich in starch, it can be made into sand Ge Fen, which has the effect of cooling and removing heat. Foreign studies have found that potato contains α amylase. Eating raw can help digestion.

peeled sweet potato

Chinese medicine believes that sweet potato is rich in potassium, calcium and sugar, which has the effects of promoting fluid production, quenching thirst, cooling and removing heat, relieving alcoholism, preventing cancer, resisting cold, lowering blood pressure and blood lipid. Health care effect of potato

1. Lowering blood pressure < P > Because potato is rich in potassium, it helps to metabolize sodium and has the function of lowering blood pressure.

2. Reducing blood fat

Potato is rich in starch, mostly amylopectin, with high viscosity, which is similar to potato (potato) starch. It is not easy to change color, has slow metabolism, is hungry, and has the function of assisting in reducing blood fat.

3. Cool and remove heat

Sweet potatoes are cool and juicy. Eating them often can help to eliminate internal fire and remove heat.

4. Anti-tumor

The n-butanol extract of potato has obvious anti-cancer activity, can inhibit the proliferation of KB cells in vitro, has anti-cancer effect in vitro, and is expected to develop a new anti-cancer drug. How to eat potato?

Potato can be eaten raw as fruit or fried in cooking. Different cooking methods have different tastes.

1. Cold potato

Cold potato

Efficacy: strengthen the spleen to stimulate appetite, promote fluid production to quench thirst, and remove heat and annoyance.

ingredients: half a sweet potato, garlic, rice vinegar, light soy sauce, sesame oil and lobster sauce.

Practice: Peel the potatoes, wash them and shred them for later use. Make garlic into a dish, add rice vinegar, soy sauce, sesame oil and a spoonful of red oil and mix well.

2. Fried pork with bean potato

Fried pork with bean potato

Efficacy: invigorating spleen and tonifying kidney

Ingredients: half a bean potato, 1g pork tenderloin, 5g colored pepper, onion, ginger, vegetable oil and salt.

practice: peel the potato, wash it, slice it, shred the colored pepper for later use, shred the pork tenderloin in advance, marinate it with salt and soy sauce, stir-fry the meat with onion and ginger, stir-fry until fragrant, add the potato chips and stir-fry, stew with water for 5 minutes, and then season.

3. Stir-fried cashews with bean potatoes

Stir-fried cashews with bean potatoes

Efficacy: preventing cardiovascular diseases and reducing blood fat. beauty beauty

Ingredients: half a bean potato, 3g cashews, onion, ginger, vegetable oil, soy sauce and salt.

practice: peel the potato, wash it, slice it for later use, add oil to the hot pot, add onion and ginger to stir fry, add the potato chips and stir fry, add cashew nuts to stir fry until light yellow, and season with salt.

4. Bean-potato ribs soup

Bean-potato ribs soup

Efficacy: invigorating spleen and kidney, reducing blood fat

Ingredients: half a bean potato, 5g ribs, onion, ginger, pepper aniseed and salt.

practice: chop the ribs into small pieces, blanch them to remove blood foam for later use, peel the potatoes, wash them, cut them into pieces for later use, add the ribs into a casserole, add seasonings such as onion and ginger, add appropriate amount of water to boil, add the potatoes, stew for 5 minutes, and season with salt. Tips

The seeds in the bean and potato pods are poisonous and inedible.

bean and potato are cool, so they are not suitable for people who are afraid of cold, spleen and stomach deficiency and diarrhea.