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Tubers family dioscoreaceae with large watery root vegetables sweetish taste - a yam. It is very similar to potatoes in their nutritional and taste qualities, grows well in subtropical and tropical climates, so widespread in Africa, Latin America and Asia. In these places, it is an important crop. In African countries, yam believe bread is the staple food. Iams hardly susceptible to disease and pest attack.
Iams has an extensive root system, thickening at the ends of the side shoots (tubers), which may be located at a depth of half a meter into the ground, each plant can produce up to 20 shoots (stolons). Weight tubers range from 50 grams to 15 kilograms, the smallest are the subsequent landing. The length of the fetus in some cases up to 2.5 meters. The form can be root fusiform, round or elongated-oval, the top they are covered with a thin pink, purple or white skin that is sometimes cracked. The pulp yams painted in yellow or white color.
In 100 grams of thermally processed yam contains approximately 120 calories. Nutritional make fats, carbohydrates and proteins, water, ash, dietary fiber, saturated fatty acids and sugars, as well as a large amount of starch. In yamse contains vitamins B, PP, A, C, E, K, choline and beta-carotene. Micronutrients - iron, selenium, manganese, copper and zinc. Macronutrients - phosphorus, calcium, magnesium, sodium and potassium.
Iams has the ability to improve the metabolism and digestion, relieves flatulence, colic and gastritis, lowers the amount of bad cholesterol, and blood sugar levels. In addition, the root relieves muscle spasms, this property can be used by women who suffer from the unpleasant symptoms of menstruation or cramps.
Phytoestrogens are part of the yam, lead to normal female hormonal balance and help to set up a monthly cycle, postpone the onset of menopause and help to cope with its symptoms, prevent uterine atrophy and decreased tone of the body. The active substances prevent the development of atherosclerosis, help fight liver disease. In diseases of the gall bladder and gastrointestinal tract, diverticulosis, osteoporosis, asthma and rheumatism and it helps yams. The use of this root for food helps relieve fatigue and weight normalization, stimulation of kidney, spleen and stomach.
Allantoin is present in the composition of yam tubers, it helps in speedy healing boils, wounds and ulcers.
Substances contained in horses yams, peripheral vessels expand and enhance their walls, preventing occurrence of atherosclerotic plaques, resulting in a reduced pressure, and improves the blood.
When angina and tachyarrhythmia cataract is very good tincture, made from yams, also it relieves headache and dizziness eliminate. Dietary supplements made based on yam, can save the patient from rheumatoid arthritis, gout, and intestinal colic, help to strengthen the immune system, are shown to people who have had a heart attack or stroke. They are an effective preventive agent of diseases such as coronary heart disease, atherosclerosis, hypertension.
Yam is also called sweet potatoes, and cook it the same way: fried, boiled, stewed and baked. Root crop is suitable as a garnish for meat dishes, such as mashed potatoes. In most cases of dried vegetables make flour, which was subsequently used for the preparation of fresh cakes and sauces.
In medicine, yams used for the manufacture of biologically active additives to food. From an extract of root crops, which are then incorporated into the medications prescribed for the treatment of infectious diseases, leading to decreased immunity, ovarian cysts, adrenal disease, pituitary and hypothalamus.
Eating yams in unlimited quantities can cause vomiting and nausea. This root vegetable is absolutely contraindicated for people suffering from a chronic shortage of protein, endometriosis, myoma and uterine cancer disease, ovarian and breast cancer.
Substances contained in raw yamse, including alkaloid dioskorin, when eating in a thermally processed form, have a negative effect on the gastrointestinal tract, the kidneys and liver. They are removed from root only at high temperatures.
Alcohol tincture, prepared on the basis of yams, irritating effect on the intestines and stomach, so it can not be used for pancreatitis, peptic ulcer and cholelithiasis, gastritis, hepatitis and cholecystitis.