Euterpe oleracea, also known as Acai berry or fruit beneficial properties

Euterpe oleracea is a common, tall, slender palm tree which grows 15 to 25 m in height. Euterpe oleracea tree produces an edible fruit which grows in bunches. The Euterpe oleracea fruit is round, 1-2 cm in diameter, with a single large seed inside surrounded by stringy fibrous sheaths and a thin oily coating.

Euterpe oleracea nutritional value
Euterpe oleracea has a high content of lipids, protein, ash and total dietary fiber. Most of the Euterpe oleracea fat is oleic acid. Euterpe oleracea has polyphenols 2 to 5 g/100 g; tannins; anthocyanins 1 g/100g. The Euterpe oleracea fruit can be considered a fair source of vitamin C and good source of natural antioxidants.

Lignans and other constituents of the fruits of Euterpe oleracea (Acai berry) with antioxidant and cytoprotective activities.
J Agric Food Chem. 2008 Sep 10; Chin YW, Chai HB, Keller WJ, Kinghorn AD. Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, 500 West 12th Avenue, Columbus, Ohio 43210, USA.
A methanol-soluble extract of the fruits of Euterpe oleracea (acai) led to the isolation of 22 compounds of previously known structure. Altogether, 14 of these isolates were found to be active in an in vitro hydroxyl radical scavenging assay. Dihydroconiferyl alcohol, lariciresinol, (pinoresinol, (syringaresinol, and protocatechuic acid methyl ester exhibited cytoprotective activity in cultured MCF-7 cells stressed by H2O2. Lignans have not been previously reported as constituents of this Euterpe oleracea species and were found to be representative of the aryltetrahydronaphthalene, dihydrobenzofuran, furofuran, 8-O-4'-neolignan, and tetrahydrofuran structural types.

Absorption and Biological Activity of Phytochemical-Rich Extracts from Acai (Euterpe oleracea Mart.) Pulp and Oil in Vitro.
J Agric Food Chem. 2008 April. Pacheco-Palencia LA, Talcott ST, Safe S, Mertens-Talcott S.
This study investigated the absorption and antiproliferative effects of phytochemical extracts from Euterpe oleracea pulp and a polyphenolic-enriched Euterpe oleracea oil obtained from the fruit pulp of the Euterpe oleracea berry. Standardized extracts were characterized by their predominance of hydroxybenzoic acids, monomeric flavan-3-ols, and procyanidin dimers and trimers. Polyphenolic mixtures (0-12 microg of gallic acid equiv/mL) from both Euterpe oleracea pulp and Euterpe oleracea oil extracts inhibited cell proliferation by up to 90%, which was accompanied by an increase of up to 2.1-fold in reactive oxygen species. Absorption experiments using a Caco-2 intestinal cell monolayer demonstrated that phenolic acids such as p-hydroxybenzoic, vanillic, syringic, and ferulic acids, in the presence of DMSO, were readily transported from the apical to the basolateral side along with monomeric flavanols such as catechin and epicatechin. Results from this study provide further evidence for the bioactive properties of Euterpe oleracea polyphenolics and offer new insight on their composition and cellular absorption.

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