乌头

Monkshood：Plant used in potions. Also known as aconite or wolfsbane.

舟形头。又称头或狼毒头。

This method was at low cost, harmless and suitable for extracting,separating and preparing mesaconitine,aconitine and hypaconitine.

方法所用试剂成本低、毒性小,适用于头碱、头碱、次头碱的提取分离以及对照品的制备。

HPLC-MS analysis shows that the major hydrolysis products are benzoylaconine and aconine.

水解20h,苯甲酰头原碱的转化率最高。

Aconitase is an enzyme that catalyzes the conversion of citric acid to isocitric acid in tricarboxylic acid cycle.

摘要头酸酶在三羧酸循环催化柠檬酸生成异柠檬酸。

Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as dispersion solvent.

以乙腈为分散剂,采用沉淀聚合法合成了反头酸分子印迹聚合物微球。

Arrhythmias were induced by CaCl 2(SD rats),aconitine(SD rats),ouabin(guinea-pigs) and adrenaline(rabbits)respectively Effects of Rhodiola on these arrhythmiar models were Observe.

采用氯化钙、头碱致大鼠,哇巴因致豚鼠及肾上腺素致大白兔心律失常模。

Conclusion Besides hydrolysis reactions, ester-exchange reactions happen for diester-aconitines and triester-aconitines in the decocting of FAK.

结论在草花煎煮过程，双和三头生物碱除发生水解反应外，还发生交换反应生成双和三脂类生物碱。

Diester deoxyaconitine is very toxic.When deoxyaconitine was transformed into mono-ester aconitum alkaloids and lipo-alkaloids by human intestinal bacteria, the toxicity decreased.

双的去氧头碱的毒性较高，当它被肠内细菌转化为单和脂类生物碱时会使其毒性降低。