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Int. J. Mol. Sci. 2016, 17(7), 1014; doi:10.3390/ijms17071014

Oenocarpus bacaba and Oenocarpus bataua Leaflets and Roots: A New Source of Antioxidant Compounds

Université de Guyane, UMR QUALITROP, Campus Universitaire de Troubiran, P.O. Box 792, 97337 Cayenne Cedex, French Guiana, France
These authors contributed equally to this work.
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Author to whom correspondence should be addressed.
Academic Editor: Maurizio Battino
Received: 13 May 2016 / Revised: 17 June 2016 / Accepted: 20 June 2016 / Published: 27 June 2016
(This article belongs to the Section Bioactives and Nutraceuticals)
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Abstract

Native palm trees fruit from the Amazonian rainforest, Oenocarpus bacaba and Oenocarpus bataua, are very often used in the diet of local communities, but the biological activities of their roots and leaflets remain poorly known. Total phenolic content (TPC) and antioxidant activity of root and leaflet extracts from Oenocarpus bacaba and Oenocarpus bataua were assessed by using different chemical assays, the oxygèn radical absorbance capacity (ORAC), the 2,2-diphenyl-l-picrylhydrazyl (DPPH) free radical-scavenging capacity and the ferric-reducing ability of plasma (FRAP). Cellular antioxidant activity and cytotoxicity were also measured in Normal Human Dermal Fibroblasts. The polyphenolic composition of Oenocarpus extracts was investigated by LC-MSn. Oenocarpus leaflet extracts were more antioxidant than root extracts, being at least as potent as Euterpe oleracea berries known as superfruit. Oenocarpus root extracts were characterized by hydroxycinnamic acids (caffeoylquinic and caffeoylshikimic acids), while leaflet extracts contained mainly caffeoylquinic acids and C-glycosyl flavones. These results suggest that leaflets of both Oenocarpus species could be valorized as a new non-cytotoxic source of antioxidants from Amazonia, containing hydroxycinnamic acids and flavonoids, in the pharmaceutical, cosmetic or agri-food industry. View Full-Text
Keywords: Oenocarpus bacaba; Oenocarpus bataua; roots; leaf; antioxidant activity; LC-MS/MS; C-glycosyl flavones; hydroxycinnamic acids; cellular assay Oenocarpus bacaba; Oenocarpus bataua; roots; leaf; antioxidant activity; LC-MS/MS; C-glycosyl flavones; hydroxycinnamic acids; cellular assay
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Leba, L.-J.; Brunschwig, C.; Saout, M.; Martial, K.; Bereau, D.; Robinson, J.-C. Oenocarpus bacaba and Oenocarpus bataua Leaflets and Roots: A New Source of Antioxidant Compounds. Int. J. Mol. Sci. 2016, 17, 1014.

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