The components and function of Leech salivary gland secretion have been briefly reviewed, the application and potential significance of the secretion in medicine research are shown in this paper.

Combine with the inhibition of RCE on NO secretion and phagocytosis of murine macrophage and RAW264.7 cell line, we found that RCE had potential effect on antiinflammatory.

Conclusion The findings indicate that ginger oleoresin possesses gastro-protective potential which is unrelated to inhibition of gastric acid secretion and activity of pepsin.