Pharmacognostical identification of market pwaygaing leaf

Pwaygaing leaflets sold in the market for its medicinal value as purgative and laxative drug and also as one of the ingredients in many of the traditional medicine formulations (TMFs) was pharmacognostically identified to be Cassia angustifolia Vahl.

Quantitative determination of senna ingredient from Traditional Medicine Formulations TMF-09, TMF-10 and TMF-12

Quantitative determination of a major plant ingredient Senna contained in Myanmar Traditional Medicine formulations (TMFs)- namely TMF-09, TMF-10 and TMF-12 were estimated by following Schedule XIII and XIV of Wallis (1953). Quantitative microscopic work conducted at the Pharmacognosy Laboratory of the Pharmacology Research Division, could quantify the proportion of Senna ingredient, from the above three TMFs.