WebYield of Aqueous extract of C.rotundus was 5.2% and that of ethanolic extract was 1.9%. 4.1. DPPH Assay: Fig.No.1.shows the effect of C.rotundus related to the DPPH scavenging activity of aqueous and ethanolic extracts. Aqueous extract of C.rotundus showed moderate to good activity to scavenge free radicals and this activity WebFeb 26, 2014 · The two extracts have good antioxidant activity compared to the positive control, L-ascorbic acid (Vit C, IC 50 = 4.4 ± 0.1 µg/mL). The ABTS assay confirmed the DPPH assay results, with the ethyl acetate showing an IC 50 = 184.0 ± 7.0 µg/mL and therefore better antioxidant activity than the n-butanol extract (IC 50 = 300.0 ± 5.0
(PDF) Antioxidant Activity by DPPH Radical Scavenging Method of ...
WebNov 14, 2024 · The as-prepared extracts consist of two phases (except Allium sativum), a clear solution and a thick suspension containing solid plant parts that separates in about … WebFree-radical scavenging activity of extracts using the DPPH assay The method for estimating the free-radical scavenging activity (RSA) of the methanol extracts of OS was … clifford the small red puppy norman bridwell
Investigation of antioxidant and antibacterial effects of citrus fruits ...
WebJan 1, 2006 · The stable radical DPPH has been used widely for the determination of primary antioxidant activity, that is, the free radical scavenging activities of pure antioxidant compounds, plant and fruit extracts and food materials. The assay is based on the reduction of DPPH radicals in methanol which causes an absorbance drop at 515 nm. In … WebJul 18, 2024 · The Folin-Ciocalteu assay, ... The results of the DPPH analysis for the 4 extracts ranged from 10.3 to 14.6 μmol TEAC/g extract. ... The anti-inflammatory activity of leaf and plant stem extracts from Physalis peruviana has been confirmed mainly in macrophages. 11 Another study of Physalis peruviana ethanol extracts from leaves and … WebNov 1, 2024 · The as-prepared extracts consist of two phases (except Allium sativum), a clear solution and a thick suspension containing solid plant parts that separates in about … clifford thies