Bioactive polyphenols and antioxidant capacity of Azara petiolaris and Azara integrifolia Honeys

Autor: Ady Giordano, Mauricio Retamal, Felipe Leyton, Patricia Martínez, Raquel Bridi, Patricia Velásquez, Gloria Montenegro
Jazyk: English<br />Spanish; Castilian
Rok vydání: 2018
Předmět:
Zdroj: CyTA - Journal of Food, Vol 16, Iss 1, Pp 484-489 (2018)
Druh dokumentu: article
ISSN: 1947-6337
1947-6345
19476337
DOI: 10.1080/19476337.2018.1426631
Popis: Chilean beekeeping is characterized by a variety of honey types, some unique due to a high participation of native plant species where nectar is collected by bees. For the first time flavonoids, phenolic compounds, and antioxidant capacity in honeys of species Azara integrifolia and Azara petiolaris, commonly known as corcolén honeys, have been determined. The results showed a high content of total phenol (between 48.79 and 153.30 mg GAE/100 g honey), while flavonoid content ranged between 8.80 and 12.33 mg QE/100 g honey. The ORAC-FL assay values varied between 2.15 and 7.74 µmol trolox/g honey, while ORAC-PGR assay values varied between 0.33 and 4.49 µmol trolox/g honey. Two phenolic acids (caffeic, coumaric acids) and three flavonoids (pinocembrin, chrysin, and luteolin) were identified by UHPLC-MS/MS in all honey samples. These results correlate with Azara sp. nectar contribution to the samples.
Databáze: Directory of Open Access Journals
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