马钱子为马钱科植物马钱的成熟干燥种子,原植物马钱,又称番木鳖、牛银、苦实等别名。1药理本品生物碱士的宁,口服后很快吸收而起作用,对中枢神经系统的作用,首先兴奋脊髓的反射作用机能,其次为兴奋延髓中的呼吸中枢和血管运动中枢(皮质分析器)的机能。对呼吸系统的影响,马钱子碱的作用为士的宁的8分之1,据报道对氨水及SO_2引起的小白鼠咳嗽有较强的镇咳作用, Strychnos nucifera is a mature and dry seed of the money plant, the original plant, Ma Qian, also known as hibiscus, cattle silver, bitter real alias. 1 pharmacology The product alkaloid Shihinging, soon absorbed after oral administration and function, the role of the central nervous system, first excited spinal reflex function, followed by excitement in the medullary respiratory center and vasomotor center (cortical analyzer ) The function. The effect of strychnine on streptocinine is one-eighth that of strychnine, and it is reported to have strong antitussive effect on ammonia and SO 2 -induced cough in mice.