Study on the history of the processing of Flos Sophorae Influence of Processing on Quercetin Content in Flos Sophorae Immaturus Quality Standards of Flos Sophorae Carbonisatus Determination of Rutin Contents in Chinese Drug Flos Sophorae Immaturus by Signal Multiplier Spectrophotometry Trial of Using A Chromometer in Quality Appraisal of Flos Sophorae Chemical constituents in Flos Sophorae Carbonisatus Pharmacology experimental study of new hematischesis compounds after Flos Sophorae carbonized