防风补益功效的考证及探讨

Textual Research and Discussion on the Tonifying Effects of Fangfeng

通过系统梳理历代本草书对于防风功效及防风补益作用的论述,明晰防风功效演变发展的脉络,整理归纳出防风始载于《神农本草经》,具有“祛风解表,胜湿止痛,止痉”等常用功效,为临床常用“风药”之一;后世历代医家对防风补益功效的认识多起源于《日华子本草》而又各有发挥阐释。以历代医家关于防风“补虚”功效的论述为线索,结合现代研究,对其补虚功效进行相关考证及理论探讨,认为防风的补益功效体现为甘温以健脾气、辛甘温以升补肝气、协同补药增加疗效以及“以通为补”等四方面。

Through systematically sorting out the statements on the efficacy of Fangfeng and its tonifying effects in the books of materia medica in the past dynasties,and illutrating the evolution of the efficacy of Fangfeng,it was concluded that Fangfeng,as one of the commonly-used wind-herbs in clinic,was initially recorded in Shennong Bencaojing,possessing the common effects of"dispelling wind and relieving the exterior,removing dampness and stopping the pain,and ceasing the spasm";medical practitioners'understandings of the effects of Fangfeng in later generations mostly originated from Rihuazi Bencao and each has his own interpreration.Taking medical practitioners'understandings of the effects of Fangfeng in the past dynasties as the clue,combined with modern research,the related textual researches and theoretical explorations into the toniyfing of the herb were performed,it is believed that the tonifying effects of Fangfeng are mainly reflected from four aspects:sweet-warm to invigorate spleen,pungent,sweet and warm to lift and tonify liver-Qi,adding the drugs that works in synergy with others to enhance clinical effects,and"tonifying by unobstructing".