Fig. 2From: Tailoring enhanced production and identification of isoflavones in the callus cultures of Pueraria thomsonii Benth and its model verification using response surface methodology (RSM): a combined in vitro and statistical optimizationHPLC chromatograms obtained with UV detection at 270 and 370Â nm from the callus extract of P. thomsonii compared with standards puerarin, daidzein and daidzinBack to article page