Component detection method for laxative traditional Chinese medicine intermediates

The invention provides a method for detecting components of a bowel-relaxing traditional Chinese medicine intermediate. The method comprises two steps of detecting sennoside A and sennoside B and detecting stilbene glucoside and hesperidin. The detection of sennoside A and sennoside B comprises the following steps: adding intermediates of the bowel-relaxing traditional Chinese medicines into a sodium bicarbonate aqueous solution, and carrying out ultrasonic treatment to obtain a solution to be detected; based on specific parameters, detecting sennoside A and sennoside B components in a to-be-detected solution by utilizing high performance liquid chromatography: stilbene glucoside and hesperidin detection: adding an intermediate of the bowel-relaxing traditional Chinese medicine into an alcohol solvent, and performing ultrasonic treatment to obtain the to-be-detected solution; based on specific parameters, detecting stilbene glucoside and hesperidin components in the to-be-detected solution by using a high per