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PM · Lens · Antioxidant and Anticholinesterase Assets and Liquid Chromatography-Mass Spectrometry Preface of Various Fresh-Water and Marine Macroalgae

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Article · Volume 5, Issue 20 · pp. 291–297

Antioxidant and Anticholinesterase Assets and Liquid Chromatography-Mass Spectrometry Preface of Various Fresh-Water and Marine Macroalgae

Kartal Murat1, Orhan Ilkay2, Abu-Asaker Mahmud3, FS Şenol3, Atici Tahir3, Şener Bilge3

  1. 1Department of Pharmacognosy, Faculty of Pharmacy, Ankara University, 06100 Ankara, Turkey.
  2. 2Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey.
  3. 3Department of Biology, Faculty of Education, Gazi University, 06330 Ankara, Turkey.

Abstract

The ethanol extracts from the fresh-water algae; Chara hispida L., Cladophora glomerata (Dilw.) Kütz, C. fracta (Dilw.) Kütz, Spirogyra gratiana Transeau, Mougeotia sp. (C.A. Agardh), Vaucheria sessilis (Vauch.) De Candolle, Geminella mutabilis (Breb.) Wille, the fresh-water plants; Ranunculus rionii Lagger and Ceratophyllum demersum L., as well as the marine algae; Sciniaia furcellata (Turn.) J. Agardh, Dictyota dichotoma (Huds.) Lam., Padina vickersiae Hoyt, Halopteris scoparia (L.) Sauvagau, and the sea grass; Posidonia oceanica (L.) Dell. were assessed in vitro for their antioxidant and anti-acetylcholinesterase (AChE) activities. Antioxidant activity was evaluated by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity test at 0.125, 0.25, 0.5, 1.0, and 2.0 mg ml-1 and ferric-reducing antioxidant power assay (FRAP) at 0.5, 1.0, and 2.0 mg ml −1 concentrations. Total phenolic contents of the extracts were determined using Folin-Ciocalteau’s reagent. The extracts were further analyzed qualitatively by LC-DAD-MS. S. gratiana had the best antioxidant activity, followed by R. rionii. LC-DAD-MS showed rich gallic acid and its ethyl ester contents in S. gratiana, while prosperous vitamin C content has been detected in P. oceanica for the fi rst time in this study. S. gratiana possessed the highest inhibition (42.5±2.28%) at 2.0 mg ml −1 against AChE.

Keywords: Algae; Aquatic plants; Antioxidant activity; Acetylcholinesterase inhibition; Total phenol content; LC-DAD-MS

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