Chemical reaction and products in processed Cibotium barometz Research situation of Maillard reaction and its influence on research methods for processing and preparation process of Chinese materia medica A Study on Maillard Reaction and Its Products during Processing of Red Ginseng Study on browning mechanism of drying Pinelliae Rhizoma Study on browning mechanism of drying Pinelliae Rhizoma Thinking and practice of study on material basis of parched Chinese herbal medicines and their quality evaluation