Methods: Flos Lonicerae from various areas of Henan province in its content of chlorogenic acid, ash, acid-insoluble ash, arsenate and heavy metals was determined with HPLC.

• 方法:用HPLC色谱法对河南不同产地金银花进行绿原酸的含量测定,并对其灰分、酸不溶灰分、砷盐及重金属进行检测。