Abstract
The use of plants with medicinal properties for fungi control has led to a continuous exploration of new compounds that could contribute towards promising studies in the development of new drugs and the knowledge of how this control is performed on microorganisms. The objective of this review has been to report on the potential use of medicinal plants to control the pathogenic fungi of a host of plants and animals, which can contribute to the achievement of new formulations for botanical fungicides. Many authors have demonstrated antifungal and general antimicrobial activities for Brazilian flora species through well-established methods, such as by microdilution, agar diffusion, and disk diffusion, while determining a minimum inhibitory concentration (MIC), minimum fungicidal concentrations (MFC), and the inhibition potential of essential oils, extracts and fractions. In this review, 68 species were cited for occurring in Brazil, with 25 being in the north-northeastern part of the country. Thus, most studies about the antimicrobial activities of medicinal plants bring an ‘initial understanding’ of their potential, particularly of some species, genera, and even families. Nevertheless, more data that is exceedingly specific is mandatory by focusing on new and more accurate approaches, such as the action mechanisms, toxicity, the active components, and the verification of the existence of synergic effects. These criteria would be the minimum required to develop new natural products as alternative treatments for the various infectious pathologies that affect plants, animals, and human beings.
Highlights
Humans acquired information about their environment in such a way as to build and establish tools that facilitate their survival
The present research is a meta-analysis, a quantitative method that combines the information obtained from previous independent studies and critically analyzes these results (Hernandez et al, 2020). This current prospection has aimed to present data confirming the antimicrobial potentials for various species of medicinal plants in Brazil, mainly focusing on their fungal control, either phytopathogenic or upon human pathogens, such as viruses and bacteria prions, or fungi
The technological prospection was realized based upon patent applications in the European Patent Office (Espacenet), the World Intellectual Property Organization (WIPO), the United States Patent and Trademark Office (USPTO), and the National Institute of Industrial Property (INPI)
Summary
Humans acquired information about their environment in such a way as to build and establish tools that facilitate their survival. Researchers have shown a keen interest in evaluating plants' essential oils while considering their antimicrobial properties in traditional medicines and alternative therapies (Luangnarumitchai et al, 2007). This current prospection has aimed to present data confirming the antimicrobial potentials for various species of medicinal plants in Brazil, mainly focusing on their fungal control, either phytopathogenic or upon human pathogens, such as viruses and bacteria prions, or fungi.
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