牡蛎药性升降浮沉与功效的本草考证OACSTPCD

Based on the research in ancient materia medica classics of oyster shell name,medicinal nature,qi and flavors,ascending,descending,floating and sinking,function,and processing,this paper has authenticated that oyster is slightly cold,its qi is thin,its flavor is thick,and its ascending and descending nature is superior to its floating and sinking nature.The early effects found of oysters involve a wide range of aspects,including cold damage,warm malaria,fatigue,night sweats,the scrofula.During the Jin and Yuan dynasties,the emphasis shifted to the direction of softening hardness and dissipating binds.During the Ming and Qing dynasties,the efficacy system of oyster shells was relatively complete,and in-depth exploration was conducted on the metaphorical meanings behind the efficacy of the medicinal.In the processing of oyster shell,in order to exert the functions of softening hardness and dissipating binds,astringing and securing,the processing methods of fire calcining,raw grinding,salt water boiling,mud calcining and children's quenching were commonly used in ancient times.However,only calcination method is retained in modern oyster shell processing.