Study on total isoflavone from Puerariae Radix by subcritical water extraction Study on total isoflavone from Puerariae Radix by subcritical water extraction Study on extraction of total isoflavones from Sophorae Fructus by pressurized solvent Study on extraction of total isoflavones from Sophorae Fructus by pressurized solvent Effect of red clover total isoflavones on cell proliferation and apoptosis of human breast cancer cell line MCF-7 Study on total isoflavones from Fructus Sophorae by subcritical water extraction