Determinación de polifenoles en cinco especies amazónicas con potencial antioxidante

Matteo Radice; Luis Ramón Bravo Sánchez; Manuel Pérez Quintana; Jofre Bladimir Cerda Grefa; Andrea Tapuy; Andrea Riofrio Carrión; David Alan Neill; Matteo Chiurato

doi:10.59410/RACYT-v06n01ep06-0072

Authors

Matteo Radice Universidad Estatal Amazónica https://orcid.org/0000-0002-4771-8912
Luis Bravo Universidad Estatal Amazónica https://orcid.org/0000-0001-5756-6628
Manuel Pérez Quintana Universidad Estatal Amazónica
Jofre Cerda Universidad Estatal Amazónica
Andrea Tapuy Universidad Estatal Amazónica
Andrea Riofrío Universidad Estatal Amazónica https://orcid.org/0000-0002-6452-7114
David Neil Universidad Estatal Amazónica
Matteo Chiurato Universidad Estatal Amazónica

DOI:

https://doi.org/10.59410/RACYT-v06n01ep06-0072

Keywords:

amazonian biodiversity, Caryodaphnopsis tomentosa, Palicourea stenostachya,, Palicourea schunkei, Schizocalyx bracteosus, Warszewiczia coccinea, Folin-Ciocalteu, poliphenols

Abstract

The Ecuadorian Amazon Region (RAE) represents one of the most biodiverse areas of the planet and it is a source of secondary metabolites for the pharmaceutical, cosmetic and functional foods sectors. The present study, for the first time, focuses on the determination of polyphenolic compounds in extracts of five Amazonian species: Caryodaphnopsis tomentosa, Palicourea stenostachya, Palicourea schunkei, Schizocalyx bracteosus and Warszewiczia coccinea. The biological activity of polyphenols is related to their antioxidant character and it is relevant in the identification of new bioactive compounds. The hydroalcoholic extracts, considering a variety of red wine as reference, have presented in different quantities, a relevant presence of polyphenols, applying the Folin-Ciocalteu technique. Extracts of species C. tomentosa, S. bracteosus, W. coccinea and leaves of P. stenostachya, have yielded results superior to twice the value of the pattern used. P. stenostachya and P. schunkei root extracts showed slightly lower amounts of total polyphenols if compared with the standard, however, has been found an important presence of polyphenols that may contribute to their antioxidant activity. This result, although representing a preliminary test, establishes important preliminary findings for the phytochemical study of the above mentioned Amazonian species

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