*3.2. Global Subject Category*

If the results are analyzed according to the categories in which they have been published (see Figure 3), according to the Scopus database, it can be seen that most of them have been carried out in the Pharmacology, Toxicology and Pharmaceutics category with 27.1 % of the total. Other categories with significant relative relevance have been: Medicine (23.8%), Biochemistry, Genetics and Molecular Biology (16.7%), Agricultural and Biological Sciences (11%), Chemistry (8.7%), Immunology and Microbiology (2.5%), Environmental Science (2.1%), and Chemical Engineering (1.5%). All other categories are below 1%, such as: Nursing, Multidisciplinary, or Engineering.

**Figure 3.** Medicinal plants publications by scientific categories indexed in Scopus.
