Lu W, Gong S, Du Z, Wamg Z, Wang Q
Shandong College of TCM, Jinan.
Zhongguo Zhong Yao Za Zhi. 1995 Nov;20(11):665-8, 703.
It has been confirmed by investigation that Whitmania pigra is the main medicinal breed of leech, and filiform pieces are the best for extraction. The quality of leech processed by 3 different methods has been studied qualitatively and quantitatively in terms of amounts of extraction, TLC, electrophoresis of protein and anti-thrombin action.
