In vitro antioxidant activity of polyphenol extracts with antiviral properties from Geranium sanguineum L

DPPH Radical Scavenging Activity of Ethanolic Leaf Extracts of Capparis sepiaria, Euphorbia heterophylla and Tamilnadia uliginosa

“…Recent proof shows that plant polyphenols exhibit antioxidant and radical scavenging properties. By three separate and complementary methods -DPPH assay, h-carotene linoleic acid assay and NBT-reduction assay it was established that a polyphenol-rich extract from the medicinal plant Geranium sanguineum L. With strong anti-influenza virus activity, possessed antioxidant and radical scavenging capacities (Sokmen et al, 2005).…”

The Plant Natural Products: Their Antioxidants, Free Radical Scavengers, DNA Protection and Antimicrobial Activities

“…In the same side, the extracts of Pistacia lentiscus leaves were found to be very rich in phenolic content and exhibited good radical scavenging activity against H 2 O 2 [41,42]. Furthermore, The extracts from Geranium sanguineum L and Acacia species plants were also rich with polyphenol compounds and were found to exhibit a strong antioxidant, anti-mutagenic and radical scavenging capacities [43][44][45]. The antioxidant activities for each the Moldavian balm (Dracocephalum moldavica L), olive oil and A. chamaepitys essential oil were found to be as result of its contents of flavonoids and can be used in medicine and pharmacology for treatment of several diseases [46][47][48].…”

Studies on the antioxidant activity and phenolic compounds of enzyme-assisted water extracts from Du-zhong (Eucommia ulmoides Oliv.) leaves

“…The total phenolic content of the extract was determined according to the method of Sokmen et al 21 . One milligram of extract was taken in a volumetric flask, 46 mL distilled water and l mL Folin-Ciocalteau reagent were added, and the flask was shaken thoroughly.…”