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This study investigates the antimicrobial effects of vanillin, turmeric and curcumin in the forms of Dimethyl Sulfoxide (DMSO) solution as well as polymer packaging. Five types of common pathogens and food spoilage bacteria were used in this study: Staphylococcus aureus and Listeria monocytogenes representing gram-positive bacteria; Shigella sonnei, Salmonella typhimurium as well as E.coli O157:H7 representing gram- negative bacteria. Turmeric is chosen as the antimicrobial agent to be incorporated into packaging materials. In order to study the antimicrobial effect as packaging application, two types of the polymer based turmeric products were produced. They are LDPE based turmeric pellets produced by a single screw extruder, and turmeric coated BOPP films. Finally, a comparison on antimicrobial effect was conducted. between two solvents regent alcohol and DMSO.
Cheng, Yujie; Ge, Changfeng; Lodge, Jeffrey; Santhanam, KSV; and Lu, Lixing
"Evaluation of Natural Plant Powders with Potential Use in Antimicrobial Packaging Applications,"
Journal of Applied Packaging Research: Vol. 6
, Article 4.
Available at: http://scholarworks.rit.edu/japr/vol6/iss2/4