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“Perfiles” (ISSN printed 1390-5740 - Electronic ISSN 2477-9105) is a scientific research journal published by the Science Faculty of “Escuela Superior Politécnica de Chimborazo” (Riobamba, Ecuador). It is being published following a biannual periodicity [(January - June) and (July- December)]. Its mission is to disseminate scientific-technological information related to predominant knowledge areas and related branches studied in the institution.

The main objective of the journal is the publication of original or review articles, short communications, technical reports, standards, specifications, letters to the editor, communications to congresses and, in short, other contents which are relevant to the scientific community.

“Perfiles” is a free access research journal. Its online version is available at the web address:
http://ceaa.espoch.edu.ec:8080/revista.perfiles/.
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Issue Nº 26 Vol.1 - [July - December 2021]

CONTENT

AUTHORS: Karen Acosta, Valeria Zapata, Aida Miranda, José Mora, Alfredo Lajones

Abstract
The use of medicinal plants has been of great importance since ancient times in all cultures. In Ecuador, the population still regularly uses plants therapeutically, as is the case of the inhabitants of Muisne, a town located in the province of Esmeraldas. In this research, the preliminary pharmacognostic study of two native species of Esmeraldas (Ocimum micranthum and Eupatorium odoratum) was carried out, through their macromorphological, micromorphological analysis, qualitative and quantitative physicochemical tests. In addition, the ethnobotanical study of these species was developed. It was qualitatively evidenced that Ocimum micranthum presents oils, saponins, lactones, coumarins, triterpenes, steroids, reducing sugars, resins, free amino acids or amines and mucilages. In the case of Eupatorium odoratum, it presented oils, fats, resins, reducing sugars, free amino acids, triterpene mucilages and steroids. Consequently, these two species present remarkable potential for further pharmacological studies.
Keywords: Ocimum micranthum, Eupatorium odoratum, pharmacognostic study, Esmeraldas, Ecuador.

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