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γ‐Linolenic acid content and fatty acid composition of Boraginaceae seed oils

2004; Wiley; Volume: 106; Issue: 3 Linguagem: Inglês

10.1002/ejlt.200300910

1438-9312

Nurgün Erdemoğlu, Ş. Küsmenoglu, Mecit Vural,

Lipid metabolism and biosynthesis

Abstract Eleven species of the Boraginaceae family collected in Turkey were analyzed with respect to the amount of γ‐linolenic acid as well as fatty acid composition. γ‐Linolenic acid was found in all species, except for Heliotropium lasiocarpum Fisch. & Mey. and Heliotropium dolosum De Not. Seed oil content ranged from 1.5% in H. lasiocarpum to 22.0% in Anchusa leptophylla ssp. leptophylla . The content of γ‐linolenic acid ranged from 1.7% of total fatty acids in Paracaryum racemosum (Schreber) Britten var. racemosum to 13.7% in A. leptophylla Roemer & Shultes ssp. leptophylla . According to data from our study, A. leptophylla ssp. leptophylla (13.7%), Anchusa azurea Miller var. azurea (11.9%) and Echium plantagineum L. (12.2%) might be considered as new sources of γ‐linolenic acid.