Incorporation of bacteriocin in edible pectin films for antimicrobial packaging

AGRO 202

LinShu Liu, lsliu@errc.ars.usda.gov1, Tony Jin, Tony.Jin@ras.usda.gov2, Cheng-Kung Liu, chengkung.liu@ars.usda.gov3, Kevin B. Hicks, kevin.hicks@ars.usda.gov4, Amar K. Mohanty, mohantya@msu.edu5, Rahul Bhardwaj, bhardwa5@msu.edu5, and Manjusri Misra, misraman@egr.msu.edu6. (1) Crop Conversion Science and Engineering Research Unit, USDA-Agricultural Research Service, Eastern Regional Research Center, 600 E. Mermaid Lane, Wyndmoor, PA 19038, (2) Food Safety Intervention Technology Research Unit, U.S. Department of Agriculture, Agricultural Research Service, Eastern Regional Research Center, 600 East Mermaid Lane, Wyndmoor, PA 19038, (3) Fats, Oils and Animal Coproducts Research Unit, USDA, Agricultural Research Service, Eastern Regional Research Center, 600 East Mermaid Lane, Wyndmoor, PA 19038, (4) Crop Conversion Science and Engineering, U.S. Department of Agriculture, Agricultural Research Service, Eastern Regional Research Center, 600 East Mermaid Lane, Wyndmoor, PA 19038, (5) School of Packaging, Michigan State University, 130 Packaging Building, East Lansing, MI 48824, (6) Composite Materials and Structures Center, Michigan State University, 2100 Engineering Building, East Lansing, MI 48824
Edible, antimicrobial films were prepared by extrusion blown film process. Blends of pectin, fish skin gelatin or soybean flour protein, and a bacteriocin, nisin were chosen to prepare the edible, antimicrobial films. The blends were prepared using a ZSK-30 twin-screw extruder. The compounded pellets were then used to prepare blown film using a Killion-KLB-100 extruder. The films retained activity against the indicator bacterial, L. plantarum. The resulting films also possess appropriate mechanical properties for food packaging.
 

Agricultural Biomass, Biobased Products, and Biofuels
8:30 AM-12:10 PM, Thursday, March 29, 2007 McCormick Place South -- Room S103D, Level 1, Oral

Division of Agrochemicals

The 233rd ACS National Meeting, Chicago, IL, March 25-29, 2007