Grasas y Aceites, Vol 61, No 2 (2010)

Fatty acids composition of fruits of selected Central European sedges (Carex L. Cyperaceae)


https://doi.org/10.3989/gya.076109

Anna Bogucka-Kocka
Department of Pharmaceutical Botany, Medical University, Poland

Magdalena Janyszek
Department of Botany, Poznan University of Life Sciences, Poland

Abstract


Fatty acids in the fruits of 13 sedge species (Carex L., Cyperaceae) were analyzed. The oil contents in the fruits of the studied sedges ranged from 3.73 and 46.52%. In the studied fruit oils 14 different fatty acids were identified. The main unsaturated fatty acids were: linoleic, α-linolenic, oleic, oleopalmitic n-7; oleopalmitic n-9, octadecenic, and eicosenoic acids. The following acids were found in the greatest quantities: linoleic, oleic, α-linolenic and palmitic acids. Based on the fatty acid composition, studied taxa can be divided in two groups. The first group (C. flava, C. pseudocyperus, C. riparia, C. leporina) is a very good source of linoleic acid. The second group, including the remaining species, is a good source of α-linolenic acid. The highest oleic acid contents were observed in C. vulpina. The studied material has shown a low concentration of saturated fatty acids, among which palmitic acid was the main one.Results of the analyses allow for the inclusion of the studied species among plants whose fruits are characterized by a high content of unsaturated fatty acids.

Keywords


Carex; Fatty acid composition; Fruit; Nut; Sedge

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