… In this study, ethanolic microwave-assisted extraction of total phenolic content (TFC), …
Vernonia amygdalina leaf was investigated using response surface methodology. Four extraction …

Full article: Extraction and characterization of bioactive compounds in Vernonia amygdalina
leaf ethanolic extract comparing Soxhlet and microwave-assisted extraction techniques Skip …

… studies are being carried out on bioactive compounds like phenolics and flavonoids due
to … estimates the effect of each variable on the response in decreasing order whereby the t-value …

… The reaction was incubated for 30 minutes at room … [36], an ethanol soxhlet extract of VA
leaves inhibited growth … The ME of VA leaf, a polar solvent, contains more bioactive compounds …

… They have been reported to possess several natural bioactive compounds that have …
the effect of different extracting solvents (water and ethanol which are the environmental …

… bioactive compounds present in the young and old ethanolic leaf extracts of Vernonia
amygdalina … Total edema response for each treatment was then calculated as area under the time …

… Drying shrinkage of 0.79 ±0.02%, water content of 7.33 ±2.08%, water-soluble essence
of 20.5 ±1.73%, and ethanol content of 14.5 ±4.35% were all observed in the leaf …

… bioactive compounds. Results from the in vivo study showed that the ethanol extract of the
plant leaf … the formation of iron-sulfur–nytrosyl derivatives--reaction with superoxide anions …

… The sample (100 mg) was homogenised and saponified with 2.5 mL of 12% alcoholic … (0.2M,
pH 7.4) was added, and the reaction in each of the tube was initiated by adding 2.0 mL of …

… ethanol extract and free radicals reaction. During the first 30 min of reaction, the activity of
the ethanol extract … of both the ethanol extract and catechin were of the same order ( Fig. 2 ). …