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Seed Composition of Amazonian Lecythidaceae Species: Part 3 in the Series “Studies of Edible Amazonian Plants”

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The chemical composition of seeds of Lecythis usitata , Allantoma lineata and Couroupita guianensis (Lecythidaceae) were analysed in order to contribute to better understanding of the nutritional and economic potential of Amazon oleaginous species. Results are presented for the main components, minerals and some trace elements, the fatty acid, tocopherol and sterol as well as the amino acid composition. In the case of elemental composition the high contents of barium and selenium are remarkable, especially in L. usitata seeds (100 mg/100 g and 2·9 mg/100 g, resp.). The extractability of elements with water and lipids was examined. The biological value of the proteins of all the three species are in the same range as many other vegetable proteins, they are characterized by expressively high concentrations of methionine.

Document Type: Research Article

Affiliations: 1: Departamento de Química, Universidade Federal do Pará, Belém, 66060-060, Brazil 2: Institut für Lebensmittelwissenschaft und Lebensmittelchemie der Rheinischen Friedrich-Wilhelms-Universität Bonn, Endenicher Allee 11-13, Bonn, D 53115, Germany

Publication date: March 1, 1999

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