dogrose is a curative plant from family Pink. For the first time it appeared in Asia and as its crop began to be grown up in Babylon. But initially the dogrose was cultivated because of its beautiful flowers, but not because of medical qualities. The dogrose as a herb was widespread in Ancient Egypt, Greece and Rome. Today the dogrose is successfully grown up in the countries with a temperate climate. The most widespread of all forms and species of a dogrose is the Dogrose May. It is grown up as a valuable officinal, food, vitaminozny, melliferous, essential oil-bearing and ornamental plant.

Every day more and more people try to watch over the health, in the modern world there is a huge number of the factors which are negatively influencing a condition of an organism. Except sports activities and healthy nutrition favorable impact on an organism is made by hardening.

guelder-rose ordinary (Viburnum opulus) is a large bush with berries of red coloring. The guelder-rose enters into family of a honeysuckle family. As ingredients flowers, bush bark, fruits are used. The period of blossoming of a guelder-rose drops for May – June. Preparation of curative raw materials begins, as a rule, in April. Bark dries on open space or in the dry room (temperature has to be about 40-45 °C). The guelder-rose fructifies in the fall, time of gathering berries usually passes in September.

-liver oil is the product received from cod liver, representing transparent oily liquid of yellowish color with a slight smell and taste. There are three main grades used in the industry and medicine – white, yellow, brown. The last type is used only for the technical purposes.