Foliar phenolic compounds of ten wild species of verbenacea as antioxidants and specific chemomarkers

J. A. Ávila-Reyes, N. Almaraz-Abarca, A. I. Chaidez-Ayala, D. Ramírez-Noya, E. A. Delgado-Alvarado, R. Torres-Ricario, N. Naranjo-Jiménez, R. E. Alanís-Bañuelos

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© 2018, Instituto Internacional de Ecologia. All rights reserved. The family Verbenaceae hosts important species used in traditional medicine of many countries. The taxonomic controversies concerning the specific delimitation of several of its species make it difficult to guarantee the botanical origin of herbal preparations based on species of this family. To contribute to the development of both specific chemomarkers and a quality control tool to authenticate the botanical origin of herbal preparations of Verbenacea species, we determined the foliar HPLC-DAD phenolic profiles and the antioxidant properties of 10 wild species of this family occurring in Mexico. The contents of phenols and flavonoids varied significantly among species. Priva mexicana showed the highest levels of total phenolics (53.4 mg g-1dry tissue) and Verbena carolina had the highest levels of flavonoids (17.89 mg g-1dry tissue). Relevant antioxidant properties revealed by antiradical and reducing power were found for the analyzed species. These properties varied significantly in a species-dependent manner. The phenolic compounds accumulated were flavones and phenolic acids. Flavones were the only type of flavonoids found. The results of a cluster analysis showed that the compounds were accumulated in species-specific profiles. The phenolic profiles are proposed as valuable chemomarkers that can become a useful tool for the quality control concerning the botanical origin of herbal medicinal preparations based on the species analyzed. In addition, phenolic profiles could contribute importantly to solve the taxonomic controversies concerning species delimitation in the family Verbenaceae.
Original languageAmerican English
Pages (from-to)98-107
Number of pages10
JournalBrazilian Journal of Biology
StatePublished - 1 Feb 2018


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