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Table 3 Contents of coumarin in different intervention liquids (n = 3)

From: Effect of melilotus extract on lung injury by upregulating the expression of cannabinoid CB2 receptors in septic rats

Sample Concentration of intervention liquid (ng/ml)
Ethanol extract (EE) 4.891
Petroleum ether fraction (PF) 1.4110
EtOAc fraction (EF) 3.1902
BuOH fraction (BF) 0.1096
Aqueous fraction (AF) 0