Storage and nutritional content of yam

Yam can not only be used in cooking, but also as a medicinal material. It has great functions and is rich in nutrients.

Yam

Also known as Huaishan or Huaishan, it belongs to the Dioscorea family. It is an annual herb that feeds on underground tubers. The red species is block-shaped, and the white species is long strips. It has the characteristics of high nutrition and low calories. The yam cultivated in my country mainly includes two categories: common yam and field yam. The tubers of common yam are small. Among them, the yam produced in the ancient Huaiqing Prefecture (now Qinyang, Henan) is particularly precious and is known as "Huai Shen", the best in the country.

Yam is rich in starch and vitamins. Because of its rich nutrition, it has been regarded as a good and cheap tonic since ancient times. It can be used as a staple food, a vegetable, or a snack such as candied haws. In addition, yam has a very high medicinal value and has good effects of lowering blood pressure, lowering blood lipids, nourishing the heart and liver, and nourishing the stomach and spleen.

effect

1. Yam contains amylase, polyphenol oxidase and other substances, which are beneficial to the digestion and absorption function of the spleen and stomach. It is a medicinal and food product that can nourish the spleen and stomach.

2. Yam contains a variety of nutrients, which can strengthen the body, nourish the kidney and benefit the essence. Generally speaking, kidney deficiency, male spermatorrhea, women's excessive leucorrhea, frequent urination and other symptoms can all be treated with it.

3. Yam contains saponins and mucus, which have lubricating and moisturizing effects, so it can benefit the lung qi, nourish the lung yin, and treat lung deficiency, phlegm, cough and long-term cough.

4. Yam contains mucus protein, which has the effect of lowering blood sugar. It can be used to treat diabetes and is a good food therapy for diabetics.

5. Yam contains a large amount of mucus protein, vitamins and trace elements, which can effectively prevent the precipitation of blood lipids in the blood vessel walls and can effectively prevent cardiovascular diseases.

Storage instructions

You can store yam in a dark, ventilated and cool place, and keep it dry. The best way is to store it in the refrigerator.

Cooking knowledge

1. After slicing the yam, soak it in salt water immediately to prevent oxidation and blackening.

2. When fresh yam is cut, there will be mucus, which can easily cause the knife to slip and hurt your hands. You can first wash it with clean water and a little vinegar to reduce the mucus.

3. Good yam skin is intact, with mucus, white fracture, more mucus and less water. The skin can be fried fresh, or dried and boiled in soup or porridge. Peel it before eating to avoid abnormal taste such as numbness and thorns.

Dietary precautions

1. Suitable for patients with diabetes, abdominal distension, weakness after illness, chronic nephritis, and long-term diarrhea.

2. Yam has an astringent effect, so it is not suitable for people with dry stools; in addition, people with solid evil should avoid eating yam.

3. Do not eat yam and kansui together, and do not take them with alkaline drugs.

Delicious food

Yam and Pork Ribs Soup

Ingredients: 500 grams of spare ribs, 250 grams of yam, 25 grams of celery, and appropriate amounts of MSG, pepper, pepper powder, salt, wine, onion, and ginger.

Preparation: 1. Cut the ribs into 5 cm strips, blanch in boiling water for about 5 minutes, wash and drain.

2. Take a wok, add water, pork ribs, onion, ginger, wine, celery, bring to a boil over medium heat, then simmer over low heat and add the Sichuan peppercorns.

3. Put the yam skin into boiling water and blanch it. When the ribs are 50% cooked, add the yam for 3 hours. When the ribs are tender, remove the onion, ginger and celery, and add salt, MSG and pepper.

Efficacy: Yam contains starch, mucus, fat and protein, which is very easy to digest. The nutrients it contains can be absorbed by the human body, which can effectively improve physical weakness and eliminate fatigue. Women with anemia, leucorrhea or habitual miscarriage can use yam to improve their condition. This soup can not only stimulate appetite, but also replenish physical strength and increase the body's resistance.

Cooking tips:

Wear cooking gloves when peeling yam, otherwise it will stick to your skin and cause redness, swelling and itching; put the ribs in hot water when making soup to avoid protein coagulation caused by hot and cold weather, which will make the meat difficult to cook; add 2 to 3 drops of white vinegar to make the ribs soup, so as to release calcium from the bones and dissolve it into the soup, making the soup delicious. Yams are prone to blackening after peeling and cutting, so apply a little salt to prevent this.

Home remedies for curing diseases

1. Treat abdominal distension: Use half-cooked and half-fried yam to make a powder. Take 2 qian each time, with rice soup. Take twice a day.

2. Treatment of frequent urination: Boil Chinese yam and white poria in alum water, grind into powder in equal parts. Take 2 qian each time with water.

3. To treat swelling and pus: Use equal parts of muddy yam, castor seeds and glutinous rice, soak them in water, grind them into powder and apply on the affected area.

4. To treat frostbite on hands and feet: grind the yam into paste and apply it.

Nutrients contained (per 100g)

Calories Kcal

Protein grams

Fat Grams

Carbohydrate grams

Dietary fiber grams

Vitamin A μg

Carotene micrograms

Thiamine 0.05 mg

Riboflavin mg

Niacin mg