Characterization and Inhibitory Effects of Essential Oil and Nanoemulsion from (Shott) Mez in Species

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2023 Apr 28

PMID 37110671

Authors

Leonardo de Assuncao Pinto

Francisco Paiva Machado

Ricardo Esteves

Victor Moebus Farias

Felipe Braz Nielsen Koptcke

Eduardo Ricci-Junior

Leandro Rocha

Luiz Antonio Moura Keller

Affiliations

Soon will be listed here.

Abstract

The genus, the etiological agent of aspergillosis, is an important food contaminant and mycotoxin producer. Plant extracts and essential oils are a source of bioactive substances with antimicrobial potential that can be used instead of synthetic food preservatives. Species from the Lauraceae family and the genus have been used as traditional medicinal herbs. Their essential oils can be nanoemulsified to enhance their stability and bioavailability and increase their use. Therefore, this study sought to prepare and characterize both nanoemulsion and essential oil from the 's leaves, a native and endemic species from the Mata Atlântica forest in Brazil, and evaluate the activity against RC 2054, NRRL 2999, and NRRL 3174. The products were added to Sabouraud Dextrose Agar at concentrations of 256, 512, 1024, 2048, and 4096 µg/mL. The strains were inoculated and incubated for up to 96 h with two daily measurements. The results did not show fungicidal activity under these conditions. A fungistatic effect, however, was observed. The nanoemulsion decreased the fungistatic concentration of the essential oil more than ten times, mainly in . There were no significant changes in aflatoxin production.

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