γ-Linolenic and Stearidonic Acids from Boraginaceae of Diverse Mediterranean Origin.

Autor: Guil-Guerrero JL; Food Technology Division, University of Almería, 04120, Almería, Spain., González-Fernández MJ; Food Technology Division, University of Almería, 04120, Almería, Spain., Lyashenko S; Food Technology Division, University of Almería, 04120, Almería, Spain., Fabrikov D; Animal Production Division, University of Almería, 04120, Almería, Spain., Rincón-Cervera MÁ; Lipid Center, Institute of Nutrition and Food Technology, University of Chile, 7830489, Santiago, Chile., Urrestarazu M; Production Vegetal Division, University of Almería, 04120, Almería, Spain., Gómez-Mercado F; Botany Division, University of Almería, 04120, Almería, Spain.
Jazyk: angličtina
Zdroj: Chemistry & biodiversity [Chem Biodivers] 2020 Dec; Vol. 17 (12), pp. e2000627. Date of Electronic Publication: 2020 Nov 06.
DOI: 10.1002/cbdv.202000627
Abstrakt: Thirty Boraginaceae species from different tribes were evaluated in a search of γ-linolenic (GLA, 18:3n-6) and stearidonic acid (SDA, 18:4n-3)-rich oils. The high GLA percentages were found in the seed oils of Symphytum bulbosum and S. tuberosum subsp. tuberosum (27.6 and 27.2 % of total fatty acids (FA)), which are unusually high values for GLA-oils in the current literature. On the whole seed, noticeable GLA percentages were found in S. grandiflorum, S. tuberosum subsp. tuberosum and Borago officinalis (7.43, 4.90, and 4.51 g/100 g, respectively). The main SDA-taxa detected in this study were Buglossoides arvensis, B. incrassata and Glandora oleifolia (21.3, 18.9, and 16.3 % of total fatty acids). On total seed weight, Glandora rosmarinifolia showed the highest SDA content (3.57 g/100 g). Finally, the higher FA contents were found in S. grandiflorum and Paramoltkia doerfleri seeds (35.2 and 37.0 g/100 g, respectively). Principal component analysis showed that similarities in FA profiles allow grouping species as botanical criteria for Boraginaceae tribes do, while the FA groupings confirm the metabolic activities of desaturase and elongase enzymes. Data on the FA composition of the seed oils analyzed here suggest their potential use as functional foods and can be considered as novel sources of SDA and GLA.
(© 2020 Wiley-VHCA AG, Zurich, Switzerland.)
Databáze: MEDLINE
Externí odkaz: