To evaluate the effects of different drying methods on the quality of Perilla frutescens leaves,four drying methods,namely heat pump drying(HPD),far-infrared drying(FIRD),vacuum freeze drying(VFD)and hot air drying(HAD),are used to treat Perilla frutescens leaves.The content of basic nutritional components,the content of active components and antioxidant capacity are measured,and comprehensive evaluation is conducted using the membership function method.The volatile substances are identified by headspace solid-phase microextraction-gas chromatography-mass spectrometry.The results show that the...
