Study on Antibacterial Activity of Cotton Fabric  Treated with Banana Pseudostem Sap 

Thet Thet Aung Thein #Department of Textile Engineering, West Yangon Technological University Yangon, Republic of the Union of Myanmar [email protected] 
In this research, banana pseudostem sap is applied on cotton fabric to develop antibacterial activity. The major compounds of the extracted sap are identified by using phytochemical test. The extracted sap is made into alkaline and applied in premordanted cotton fabric. In order to optimize the process parameter, cotton fabric is treated with various concentrations of banana pseudostem sap solution 1, 2, 3, 4 and 5 at 80˚C for 60 minutes by pad-dry-cure method. Qualitative analysis is carried out to measure the antimicrobial activity against Gram-positive (S. aureus, B. subtilis, B. pumilus) and Gram-negative (Pseudo, Candida, E. coli) bacteria. To evaluate the effect of different concentrations on antimicrobial activity, the bleached cotton fabrics are treated with the various concentration of extracted solution. The treated fabric C5 is the best antibacterial activity in treated fabrics. And then, physical properties such as weight, thickness, stiffness, breaking strength, and air permeability of treated fabrics are analyzed and compared with that of untreated fabric.
Keywords – banana pseudostem sap, antibacterial agent, Gram positive, Gram negative