化学成份
根部心材含多种黄酮类成分,属异黄酮的有:刺芒柄花素(formononetin),鲍迪木醌(bowdichione),3‘-甲氧基大豆素(3‘-methoxydaidzein);属黄烷酮的有:甘草甙元(liquiritigenin);属查耳酮的有:异甘草甙元(isoliquiritigenin),2‘-O-甲基异甘草甙元(2‘-O-methylisoliquiritigenin);属异黄烷的有:(3R)-驴食草酚[(3R)-vestitol](3R)-环裂豆醌[(3R)-claussequinone],5‘-甲氧基驴食草酚[(3R)-5‘-ethoxyvestitol],3‘,8-二羟基驴食草酚[(3R)-3,8-dihydroxyvestitol],消旋的微凸剑叶莎酚(mucronulatol),右旋的剑叶莎属异黄烷(duartin),消旋的异剑叶莎属异黄烷(isoduartin),降香异黄烯(odoriflavene(;属异黄烷酮的有:(3R)-2‘,3‘-7-三羟基-4‘-甲氧基异黄烷酮[(3R)-2‘,3‘,-7-trihydroxy-4‘-methoxylsoflavanone〕。还含双异黄烷类成分:(3R,4R)-反式-2‘,3‘,7-三羟基-4‘-申氧基-4[(3R)-2‘,7-二羟基-4‘-甲氧基异黄烷-5‘-基]异黄烷