Rhein,a main constituent of rhubarb, is a well-characterized anti-inflammatory agent with recognized utility in a range of inflammatory diseases such as ostarthritis, diabetic nephropathy etc.

大黄酸是中药大黄的主要成分之一,临床可用于治疗骨关节炎、糖尿病肾病等疾病,并且具有抗肿瘤的作用。