Tea is a natural source of caffeine, theophylline, and antioxidants, but almost no fat, carbohydrates, or protein. It has a good taste, which is a bit bitter and astringent. Tea leaves contain calcium, magnesium, sodium, potassium, flavonic pigments, porik bases, theophylline, vitamin, chlorophyll, tannin and caffeine.

Caffeine is an alkaloidal substance found naturally in some foods including coffee beans, tea, cacao, and so on. Caffeine causes bitter taste. This substance is a stimulant of the nervous system with psychotherapeutic effects as well as stimulating the respiratory system. Caffeine increases heart rate and urine.

Thiofilin (THEOPHYLLINE): It has a structure like caffeine, found both in green and black tea. Its effects in the body including: relaxing the muscles of the lungs, increasing the blood flow of the kidneys, increasing contractility and muscles of the heart performance, increasing heart rate, decreasing blood pressure and it has anti-inflammatory effects.

TANNIN: A bitter polyphenol. Its effect on the relaxation of the human body’s central nervous system. A disadvantage of tannin is that it prevents the absorption of minerals, especially iron in body.

THEANINE: There are several amino acids in tea, but the highest amount of tea acid is theanine. The main source of the taste of tea is because of the substance.

Catechin (CATECHIN): It is very useful and very beneficial for health. Catechin is found in both green and black tea, but the amount is higher in green tea. Its effects in the body include: anticancer, lower blood cholesterol, an antibiotic and a strong antiviral, preventing high blood pressure and preventing an increase in blood glucose.

Vitamins E, C, and B COMPLEX: Vitamin E is a potent antioxidant that is very useful for the body. Vitamin C reduces stress and reduces cold symptoms. Vitamin B complex helps metabolism of carbohydrates.

Fluoride and Flavonoid (FLAVONOID): Fluoride prevents bad breath and strengthens the walls of the blood vessels and teeth.

Tea also contains fiber, carbohydrates, lipids and carotenoids.

Switch The Language

    U&I ltd company and its associates consists of highly respected, professional individuals with more than two decades of experience.

    Our company has a global presence and provides a wide variety of options, such as: selling and buying human foods (for example: wheat, wheat flour, barley, corn, sunflower oil, soya oil and etc….) and animal feeds (for example: feed barley, feed corn, soya beans meal, soya beans)

    U&I, Ltd. is a privately held company registered in the state of Republic of Kazakhstan. Our main office is located in Almaty, Kazakhstan. We have experience from 2001 for food organization.


    Floor 24 Block 5B, Nurly tau Al-Farabi Avenue, Almaty , Kazakhstan


    +7 727 385 8991