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Antimicrobial activity of algae extracts along time: 24 h (Green line), 48 h (light blue line) and 120 h (Blue line). (A) Arthrospira platensis extracts; (B) Himanthalia elongata extracts. (C) Laminaria spp. extracts. (D) Palmaria palmata extracts. (E) Undaria pinnatifida extracts. The means with different letters are significantly different (p < 0.05).
