Effects of Some Extraction Solvents on the Antioxidant Properties of Strawberry Fruit

Abstract

In this paper, antioxidant activity of strawberries extracted with different solvents was investigated since they are consumed by people due to their anticancer, anti-atherosclerotic, anti-inflammatory and anti-neurodegenerative properties. For this purpose, different acidified extraction solvents such as water (ES1), acetone (ES2), acetonitrile (ES3), methanol (ES4) and ethanol (ES5) were used in extraction process of strawberries. The effects of different extraction solvents on the antioxidant activity were evaluated by measuring the reducing power, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) radical scavenging activity, 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, total flavonoid content (TFC) and total phenolic content (TPC). Experimental results indicated that the obtained data varied with different extraction solvents. All antioxidant activity assay results showed that the highest results were obtained with acetone extracts.

Keywords

• antioxidant activity,extraction solvent,strawberry fruit

Çilek Meyvesinin Antioksidan Özellikleri Üzerine Bazı Ekstraksiyon Solventlerinin Etkileri

Abstract

Bu makalede, antikanser, anti-aterosklerotik, anti-enflamatuar ve anti-nörodejeneratif özelliklerinden dolayı insanlar tarafından tüketilen çileklerin farklı ekstraksiyon çözücülerindeki antioksidan aktiviteleri araştırılmıştır. Bu amaç için, çileklerin ekstraksiyon işleminde su (ES1), aseton (ES2), asetonitril (ES3), metanol (ES4) ve etanol (ES5) gibi farklı asitlendirilmiş ekstraksiyon çözücüleri kullanılmıştır. Antioksidan aktiviteye farklı ekstraksiyon çözücülerinin etkileri indirme gücü, 2,2'-azino-bis (3-etilbenzotiazolin-6-sülfonik asit (ABTS) radikal süpürme aktivite, 1,1-difenil-2-pikrilhidrazil (DPPH) radikal süpürme aktivite, toplam flavonoid içerik (TFC) ve toplam fenolik içerik (TPC) analizleri kullanılarak değerlendirilmiştir. Deneysel sonuçlar elde edilen dataların farklı ekstraksiyon çözücüleri ile değiştiğini göstermiştir. Tüm antioksidan aktivite analiz sonuçları, en yüksek sonuçların asetonlu ekstraklardan elde edildiğini göstermiştir.

Keywords

• Antioksidan aktivite,ekstraksiyon çözücüsü,çilek

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