Thin layer chromatography (TLC)-densitometric method for chemical stability evaluation of Cassia fistula pod pulp extract: An alternative laxative drug
Savita Chewchinda, Pongtip Sithisarn and Wandee Gritsanapan*
Department of Pharmacognosy, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand.
Email: [email protected]