Different herb extracts were dried by microwave vacuum drying (MVD) technology. According to the researchs, the operation parameters of MVD process were investgated, which contributed to the foundation of technical standards and application rules of MVD technology for herb extracts. The main researches are listed as follows:
(1) The effects of microwave power, drying time and other factors on the water content of the drying product of radix paeoniae rubra (RPR) was studied by single factor tests. Based ...