The content of aloe-emodin, rhein, emodin, chrysophanoland physcion in 3 and 4 year old cultivated Rheum tanguticum, which grew in Qinghai in different months of it growth season, were determined by high performance liquid chromatography.

• 摘要采用高效液相色谱法，测定3、4年生生长季节内不同月份的青海栽培唐古特大黄中芦荟大黄素、大黄酸、大黄素、大黄酚、大黄素甲醚等5种蒽醌类化合物的含量。