نتایج جستجو برای: dpph scavenging
تعداد نتایج: 20608 فیلتر نتایج به سال:
The aim of the present study is to evaluate the antioxidant and proliferative effects of aqueous and ethanolic extracts of Symphytum officinale. Antioxidant activities of extracts were determined by 2,2diphenyl-1-picrylhydrazyl (DPPH) radical scavenging, superoxide radical scavenging and Folin-Ciocalteu assays. Proliferative effects of the extracts were evaluated on 3T3 Swiss albino mouse fibro...
The objective of this study was to evaluate total phenolic content and antioxidant activity of leaf and different parts of fruit (hull, shell, and kernel) of Bene in Ilam province. Total phenolic content was determined with the Folin- Ciocalteu Reagent (FCR); antioxidant activity of methanolic extracts were examined by DPPH (2,2diphenyl- 1- picrylhydrazyl), FRAP (ferric reducing antioxidant pow...
Optimization of phenolic extraction from Orthosiphon stamineus was carried out in present study by investigating the effects of ethanol concentration (0-100%, v/v), extraction time (60-300 min) and extraction temperature (25-65oC) on the phenolic recovery using single factor experiment. Total phenolic content (TPC), total flavonoid content (TFC) and condensed tannins content (CTC) were used for...
The synthesis of twenty six prenylated phenols derivatives is reported. These compounds were obtained under mild conditions via Electrophilic Aromatic Substitution (EAS) coupling reactions between phenol derivatives containing electron-donor subtituents and 3-methyl-2-buten-1-ol using BF(3)×OEt(2). Dialkylations were also produced with this method. The formation of a chroman ring by intramolecu...
in order to optimization of protein hydrolysis condition (including enzyme to substrate ratio (e/s), temperature and time) for achieving the highest antioxidant activity, the green tiger prawn (p. semisulcatus) mince was tested via commercial protease (alcalase® 2.4l) based on the response surface designed method in 18 treatments and then dried to obtain powder in freeze dryer. the antioxidant ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید