Since the beginning of human development, the men have been taken advantage of the use of substances extracted from plants. However, this use was totally empiric or intuitive, based on natural discoveries. This can be observed at the initial steps of development of the people. At many parts of world, the researches about natural products are being reactivated. There is an important demand about new sources of food end medicines from the natural origin. There are a large number of plants usually requested as medicines, being sometimes, the unique way of medical treatment, mainly at the distant an isolated places. Nowadays there is a high demand for medicines of vegetable origin, is the reason why all kinds of researches on plants for popular medicine are being increasing.

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