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. 2021 Feb 12;10(2):410.
doi: 10.3390/foods10020410.

Bioactive Compounds in Salicornia patula Duval-Jouve: A Mediterranean Edible Euhalophyte

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Bioactive Compounds in Salicornia patula Duval-Jouve: A Mediterranean Edible Euhalophyte

Irene Sánchez-Gavilán et al. Foods. .

Abstract

Many halophytes have great nutritional and functional potential, providing chemical compounds with biological properties. Salicornia patula Duval-Jouve is a common euhalophyte from saline Mediterranean territories (Spain, Portugal, France, and Italy). In the present work we quantified for the first time the bioactive compounds in S. patula (total phenolic compounds and fatty acids), from Iberian Peninsula localities: littoral-coastal Tinto River basin areas (southwest Spain, the Huelva province), and mainland continental territories (northwest and central Spain, the Valladolid and Madrid provinces). Five phenolic acids including caffeic, coumaric, veratric, salicylic, and transcinnamic have been found with differences between mainland and coastal saltmarshes. S. patula contain four flavonoids: quercetin-3-O-rutinoside, kaempferol/luteolin, apigenin 7-glucoside, and pelargonidin-3-O-rutinoside. These last two glycosylated compounds are described for the first time in this genus of Chenopodiaceae. The fatty acid profile described in S. patula stems contains palmitic, oleic, and linoleic acids in high concentrations, while stearic and long-chain fatty acids were detected in low amounts. These new findings confirm that S. patula is a valuable source of bioactive compounds from Mediterranean area.

Keywords: Tinto river; characterization bioactive compounds; fatty acids; flavonoids; halophytes; phenolics.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure A1
Figure A1
Structures of the identified flavonoids.
Figure 1
Figure 1
Gallic acid equivalent calibration curve.
Figure 2
Figure 2
Chromatograms of the studied samples: phenolic acids and fatty acids. (a): Tinto river territories, samples 1–3, 6–9; (b): Odiel and Piedras river territories, samples 4–5; (c): mainland territories, samples 10–13; and (d): mainland territories, Valladolid, sample 11.
Figure 3
Figure 3
Total relative percentages of phenolic acids and fatty acids.

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