CHAPTER ONE
- INTRODUCTION
From time immemorial, man 100ks for natural resources to improve his living conditions, increasing in this way, his possibilities of survival, Flavoring his health. In all ages and cultures, it retained the use of local natural resources. According to the world health organization it is estimated that 80% of the universal population somehow use plant forms to treat diseases. However, it was not known which plants could be needed to the applied, all based on experimental experiments and scientific information that supported the elucidation about the beneficial and harmful nature of the products from the vegetal forms in the fight against diseases. (Silva E. J. Nascimenta et al., 2018).
With the development of societies, plants have become an important theraupeutic resource through man, since they have immeasurable biologically operative substance which enable the synthesis of countless other synthetic substance of the treatment of the various diseases the effect human (Guerra, M. P., Nodari, et al., 2017). With the progress of technology and the recent notions of sustainability that have become common practice since the twentieth century, the use of Phytotherapeutic plants forms is increasing worldwide, especially in Brazil due to its enormous vegetal biodiversity which instigates new studied to in order to obtain new drugs that meet the therapeutic needs and at the same time, are safe for human health, as well as for all biological areas (Gueira, M. P. et al., and Bila, D. M., et al.) Among the pharmacological properties studied in natural products are the anxioxidant and antimicrobial action. The evaluation of this activity has been an important issue taki8ng into account its importance of human health, Since the natural antioxidant agents present low health risk, when compared to the synthetic ones that present toxic effect (Leite, Nadghia F. et al., 2013).