Fig. 1From: Optimization for ultrasonic-microwave synergetic extraction of total iridoid glycosides and screening of analgesic and anti-inflammatory active fractions from patrinia scabra Bunge (Valerianaceae)Effect of ethanol concentration (%), material-to-liquid ratio (g/mL), microwave power (W) and extraction time (min) on the extraction content of total iridoid glycosides from patrinia scabra (n = 3)Back to article page