Green tea: harm and benefit
Green tea is an evergreen shrub that grows to a height of 10 m. It is grown in China, India, Japan, Africa and South America, but recently green tea plantations have also been cultivated in the mountainous regions of Russia.The plant is used not only for the preparation of a drink, but also for the cosmetic industry.
Green tea composition and nutritional value
Nutritional value 100 g:
- Caloric value: 140 CKal;
- Proteins: 20 g;
- Fat: 5.1 g;
- Carbohydrates: 4 g;
Green tea contains more than 500 useful components, including calcium, phosphorus, fluorine, magnesium.Also in the leaves of the plant there are complex organic compounds, and vitamins. But the benefits of green tea are caused by the following components of :
Green tea is the benefit of the
Green tea is used both as a beverage and as a cosmetic product. Its usefulness lies in the following :
- the plant is able to activate the reserve forces of the body, it provides an invigorating effect, improves memory, increases work capacity - these actions turn out to be caffeine and at times exceed the effect of coffee( reference);
- a decoction of green tea leaves can enhance skin tone - thanks to this property the plant is actively used for washing the face, giving it freshness;
- green tea enhances immunity and enhances the protective properties of the body in cold epidemics;
- stabilizes and normalizes the balance of minerals in the body - it positively affects the condition of the hair, nails and teeth;
- serves as a vasodilator - a drink from the leaves of green tea raises blood pressure, dilates the vessels of the brain;
- relieves edema - green tea is recognized as a natural diuretic;
- improves the work of the gastrointestinal tract - green tea is recommended to drink after eating "heavy" foods, with diarrhea or constipation;
- as lotions and compresses promotes the rapid healing of wounds and ulcers on the skin;
- has an antimicrobial effect - it is an effective healing agent for dysentery and intoxication of the body;
- strengthens and makes it more elastic than the walls of blood vessels - it serves to prevent the formation of thrombi and the development of atherosclerosis.
According to the research, green tea is a preventive agent that helps to prevent oncological diseases - this is promoted by vitamin C. So tea reduces blood sugar levels - it helps to make the symptoms of type 2 diabetes less intensive, performs protective functions against the liver.
Green tea: harm to plants for humans
Despite the numerous positive qualities of green tea, doctors and scientists emphasize that this plant can have harmful effects on the body. It is worthwhile to listen to the following conclusions after the research :
- If a person is diagnosed with hypertension( persistently high blood pressure), then the amount of green tea consumed as a drink should be limited.It is best to take the drink only during periods of remission and in the mornings.
- Decoction from the plant in question has an exciting effect, so it is contraindicated for use in insomnia, nervous excitability, psychosis.
- Categorically contraindicated green tea in diagnosed diseases of the cardiovascular system - for example, angina, arrhythmia, ischemic heart disease.
- Pregnant women should abandon the drink from the leaves of green tea - it is able to inhibit the cleavage and absorption of folic acid, which is essential for the healthy formation of the brain in the fetus.
- If there is hyperthermia( a rise in body temperature), then doctors recommend providing the patient with an abundant drink.All this is true, but from the list of drinking exclude green tea - it will further increase the temperature and worsen the patient's condition.
- In diagnosed gastritis with high acidity of gastric juice, gastric ulcer, green tea is also contraindicated - it increases acidity and worsens the patient's condition.
- It is not recommended to drink green tea to people with arthritis and rheumatism - their condition will invariably worsen.
In addition, the following harmful properties of green tea are determined:
- removes beneficial minerals from the body;
- adversely affects bone density;
- forms urea, which is difficult to remove from the body and provokes the development of gout;
- prevents the full absorption of iron.
Applications of green tea
The leaves of the plant in question are mainly used for making tea - this drink has become popular for many people.But in addition, green tea leaves are used in the cosmetics industry - they are used to prepare lotions for washing, plant extracts are added to creams and gels.
Some products for improving the health and beauty of the skin can be prepared at home:
- Brew the leaves of green tea, strain the drink and drink it.And put the remaining green mass on the cleansed face skin for 15 minutes - daily procedures for 7 days will give freshness to the skin, get rid of bruises under the eyes, return a natural blush.
- Brew the leaves of the plant in the proportion of 2 tablespoons of dry raw material to a glass of boiling water, after 20 minutes strain the drink and pour the cake with vegetable oil( preferably olive).Infused with healing oil in a dark place for 14 days.Then the oil can be used to treat wounds and small ulcers, as an anti-acne agent.
- Prepared green tea simply freeze in the refrigerator cubes - wiping their face, you can achieve an increase in skin tone.
Green tea can become a truly curative beverage and a useful remedy in cosmetology, but only if carefully studied contraindications to the use of the remedy.