Novel findings on the bioactivities of black ginger of Vietnam and optimization of its extraction using response surface methodology
Chemical Papers(2024)
摘要
The present study aimed to evaluate the antioxidant activity and antithrombotic effect of the n-hexane extract from rhizomes Distichochlamys citrea (DC-R), an endemic ginger species of Vietnam. Results showed that DC-R expressed a more potent antioxidative effect against ABTS than DPPH radical (p < 0.05). DC-R contained a total phenolic content of 3.41 g GAE/100 g and a total flavonoid content of 18.33 g QE/100 g of the dried extract. At concentrations of 1, 2 and 4 mg/mL, DC-R reduced the percentage of platelet aggregation triggered by ADP, collagen and ristocetin in a dose-dependent manner (Pearson’s correlation, r > 0.95, p < 0.05). DC-R also exhibited anticoagulant activity by significantly prolonging the activated prothrombin time (APTT) at all concentrations tested (p < 0.05 compared to DMSO 0.1
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关键词
Distichochlamys citrea,Antioxidative effect,Antiaggregatory activity,Anticoagulant activity,Optimization of extraction,Response surface methodology
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