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- W3024391330 endingPage "402" @default.
- W3024391330 startingPage "402" @default.
- W3024391330 abstract "Extracts from spruce bark obtained using different deep eutectic solvents were screened for their total phenolic content (TPC) and antioxidant activities. Water containing choline chloride-based deep eutectic solvents (DESs) with lactic acid and 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, and 1,5-pentanediol, with different molar ratios, were used as extractants. Basic characteristics of the DESs (density, viscosity, conductivity, and refractive index) were determined. All the DESs used behave as Newtonian liquids. The extractions were performed for 2 h at 60 °C under continuous stirring. TPC was determined spectrophotometrically, using the Folin-Ciocalteu reagent, and expressed as gallic acid equivalent (GAE). The antioxidant activity was determined spectrophotometrically by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay. The TPC varied from 233.6 to 596.2 mg GAE/100 g dry bark; radical scavenging activity (RSA) ranged between 81.4% and 95%. This study demonstrated that deep eutectic solvents are suitable solvents for extracting phenolic compounds from spruce bark." @default.
- W3024391330 created "2020-05-21" @default.
- W3024391330 creator A5010264464 @default.
- W3024391330 creator A5023768430 @default.
- W3024391330 creator A5084412149 @default.
- W3024391330 creator A5087560317 @default.
- W3024391330 creator A5088972830 @default.
- W3024391330 date "2020-05-16" @default.
- W3024391330 modified "2023-10-11" @default.
- W3024391330 title "Investigation of Total Phenolic Content and Antioxidant Activities of Spruce Bark Extracts Isolated by Deep Eutectic Solvents" @default.
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