What question did this study set out to answer?

To evaluate the free radical scavenging activity of methanol extracts from leaves of Rosaceae plants.

June 12, 2026植物学通报

Studies on Scavenging Activities to DPPH Free Radical of Extracts from Fresh Leaves of Some Woody Plants of Rosaceae

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Randomized trial assesses DPPH free radical scavenging in Rosaceae woody plants, suggesting potential antioxidant sources.

To evaluate the free radical scavenging activity of methanol extracts from leaves of Rosaceae plants.
Conducted DPPH microplate assay on 80% methanol extracts from leaves of selected woody plants.
Examined the effects of extract concentration and incubation time on scavenging capacity at 37℃.
Malus melliana had the highest scavenging rate at 85.0% for 0.5 mg/mL after 20 min incubation.
Other effective plants included Kerria japonica (75.8%) and Chaenomeles sinensis (70.7%).
All tested extracts increased scavenging capacity with higher concentrations and longer incubation times.

Hu et al. (2004) studied this question.

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