Natural product to modern discovery of their active ingredients and eventually to the development of new drugs. A large number of currently prescribed drugs have been either directly derived from or inspired by natural products. A few representative examples are listed below. Some of the oldest natural product based drugs are analgesics. The bark of the willow tree has been known from antiquity to have pain relieving properties. This is due to presence of the natural product salicin which in turn may be hydrolyzed into salicylic acid. A synthetic derivative acetylsalicylic acid better known as aspirin is a widely used pain reliever.
Hippocrates Hippocrates II is: 1. Hippocrates II. "The Father of Medicine" 2. Heraclides 4. Hippocrates I. 8. Gnosidicus 16. 32. Sostratus III. 64. Theodorus II. 128. Sostratus, II. 256. Thedorus 512. Cleomyttades 1024. Crisamis 2048. Dardanus 4096. Sostratus 8192. Hippolochus 16384. Podalirius 32768. Asklepius Some clinical symptoms and signs have been named after Hippocrates as he is believed to be the first person to describe those. Hippocratic face is the change produced in the countenance by death, or long sickness, excessive evacuations, excessive hunger, and the like. Clubbing, a deformity of the fingers and fingernails, is also known as Hippocratic fingers.