有机羧酸类广泛地存在于许多药用植物和食物中,一些有机酸如苹果酸、水杨酸及山梨酸的药理活性已为人们所共知。近年来在新药的寻找中,人们在有机羧酸化合物中发现了许多苗头,如齐墩果酸用于防治肝损伤和急性肝炎,而且还是一个广谱抗菌药治疗气管炎及 Organic carboxylic acids are widely present in many medicinal plants and foods, and the pharmacological activities of some organic acids such as malic acid, salicylic acid and sorbic acid are well known. In the search for new drugs in recent years, many signs have been found in organic carboxylic compounds, such as oleanolic acid for the prevention and treatment of liver damage and acute hepatitis, and it is also a broad-spectrum antibacterial agent for the treatment of bronchitis and