Venation Patterns of Leaf Drugs and Leaf Adulterants - Cassia angustifolia Vahl

Abstract

This work includes a systematic study of venation pattern and other pharmacognostic aspects of leaf drugs and their adulterants. To start with the leaves of senna plants along with cotyledonary leaves have been cleared and studied. Architectural study of the adulterant has also been done. This has revealed points of differences on the basis of which they can be identified. Screening was done by TLC for the drug plant as well as the adulterant. Sennoside content of cotyledonary leaves as well as mature leaves has been studied.