Journal
FOOD CHEMISTRY
Volume 245, Issue -, Pages 707-716Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.12.011
Keywords
Avocado peel; Green solvent; ASE; HPLC-DAD-ESI-QTOF-MS; Polyphenols; Proacyandins
Funding
- Andalusian Regional Government Council of Innovation and Science [P11-CTS-7625]
- Diputacion de Granada from Spain
- Secretaria de Educacion Superior, Ciencia, Tecnologia e Innovacion from Ecuador (SENESCYT) [2015-AR7L7617]
- Spanish Ministry of Economy and Competitiveness (MINECO) [IJCI-2015-26789]
- European Social Fund (FSE) [PTQ-13-06429]
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Industrially the avocado pulp is exploited principally as oil and paste, generating a huge quantity of peel and seed as by-products. Avocado peel is a promising inexpensive candidate for recovery phenolic compounds. The aim of this work was to identify the bioactive compounds present in an extract of avocado peel obtained by a green extraction technique. Accelerated solvent extraction was performed using water and ethanol as extraction solvents. Liquid chromatography coupled to ultra-high-definition accurate-mass spectrometry was used in order to identify the bioactive compounds. A total of sixty-one compounds belonging to eleven families were identified. Procyanidins, flavonols, hydroxybenzoic and hydroxycinnamic acids were the most common compounds. A sum of thirty-five compounds has been identified here for the first time in avocado peel. These results confirm the potential of avocado peel as a source of bioactive ingredients for its use in the food, cosmetic or pharmaceutical sector.
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