Extraction of carotenoids from cantaloupe waste and determination of its mineral composition

Food Research International
Akila BenmezianeAntonio Jesús Meléndez-Martínez

Abstract

The carotenoid and mineral levels as well as the in vitro antioxidant capacity, using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay, of waste from cantaloupe was assessed. Then the matrix was subjected to ultrasound-assisted extraction (UAE) and response surface methodology (RSM) was used for the optimization of the extraction of carotenoids. The effect of the extraction procedure on the microstructure of the powder was assessed by scanning electron microscopy (SEM) analysis. The major carotenoids identified were lutein (63.24 ± 0.73 μg βCE/g dw) and β-carotene (56.43 ± 0.11 μg βCE/g dw). Several mineral elements (K, Na, P, Mg, Ca, Fe, Cu, Mn and Zn) were identified, potassium being the major one.The extract exhibited in vitro antioxidant activity (IC50 = 7.33 ± 0.22 μg/mL). The RSM results showed that an amplitude of 100%, extraction time of 10 min, hexane percentage of 80% in hexane/acetone solvent, and solvent-to-solid ratio of 55 mL/g were the optimal conditions for the extraction of carotenoids. Under these conditions, the carotenoid content of the extract was 124.61 ± 3.82 μg/g.The microscopic analysis revealed the effectiveness of the ultrasound treatment that results in noticeable physical changes, l...Continue Reading

Citations

Jul 5, 2019·Antioxidants·Nadia Bouaoudia-MadiSusana M Cardoso
Sep 22, 2020·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·Viviana Andrea Velasco-ArangoLuis Eduardo Ordóñez-Santos
Jan 6, 2021·Critical Reviews in Food Science and Nutrition·Antonio J Meléndez-MartínezNora O'Brien
Jan 21, 2020·Food Research International·Gabriela Lara AlvarengaChristianne Elisabete da Costa Rodrigues

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