Study on Detection and Quantification of Four Properties and Five Tastes of Drugs for Relieving Exterior Disorder by Electronic Nose and Electronic Tongue

OBJECTIVE To detect and quantize four properties and five tastes of diaphoretic medicine with electronic nose and electronic tongue. METHODS 17 traditional Chinese medicine and 8 western medicine， a total of 25， were detected by electronic nose. The similarities and differences of PCA and radar map were analyzed and the bitterness value of some drugs by electronic tongue， which provided a quantitative basis for determination. RESULTS The PCA， radar map and bitterness value of diaphoretic medicine displayed similarities and differences with western medicine， which accorded with the smell. CONCLUSION Electronic nose and electronic tongue can be used to detect and quantize four properties and five tastes of Chinese and western medicine.