Antioxidant activity of the flavoring substances of Buddleja officinalis Maxim. in San Du
The steam distillation is used to extract the fragrance substances of Buddleja officinalis Maxim. Then the scavenging DPPH radicals, hydroxyl radicals and superoxide anion radical method is used to investigate antioxidant activity of the fragrance substances of Buddleja officinalis Maxim. The results show that the fragrance substance of the Buddleja officinalis Maxim. flower has certain antioxidant activity, and its antioxidant capacity increases with the concentration, hydroxyl radical scavenging ability is the strongest, followed by the DPPH radical and superoxide anion radical scavenging ability weakest, IC50 values were 56.92 μg/m L, 1095.02 μg/m L, 1300.32 μg/m L, respectively.