title: Evaluation of Chitosan-Starch-Based Edible Coating To Improve the Shelf Life of Bod Ljong Cheese.
abstract: The objective of this work was to evaluate the effectiveness of antimicrobial edible coatings to improve the quality of Bod ljong cheese throughout 25 days of storage. Coatings were prepared using chitosan, water chestnut starch, and glycerol as a base matrix, together with several combinations of antimicrobial substances: Cornus officinalis fruit extract (COFE), pine needle essential oil (PNEO), and nisin. Application of coating on cheese decreased water loss, lipid oxidation, changes in headspace gas composition, and color. Moreover, the edible coatings with COFE or PNEO had increased antimicrobial activity and did not permit growth of microorganisms. COFE and PNEO are manufactured from food-grade materials so they can be consumed as an integral part of the cheese, which represents a competitive advantage over nonedible coatings.
authors.affiliation: Department of Food Science and Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China.
authors.forename: Jun
authors.initials: J
authors.lastname: Mei
authors.affiliation: Department of Food Science and Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China.
authors.forename: Qizhen
authors.initials: Q
authors.lastname: Guo
authors.affiliation: Department of Food Science and Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Wu
authors.affiliation: Department of Food Science and Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China. yfli@sjtu.edu.cn.
authors.forename: Yunfei
authors.initials: Y
authors.lastname: Li
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001419:Bacteria / Q000187:drug effects / Q000254:growth & development; D002611:Cheese / Q000032:analysis* / Q000382:microbiology; D048271:Chitosan / Q000032:analysis*; D005519:Food Preservation / Q000295:instrumentation / Q000379:methods*; D061353:Food Storage; D009561:Nisin / Q000032:analysis / Q000494:pharmacology; D010936:Plant Extracts / Q000032:analysis; D013213:Starch / Q000032:analysis*
chemical_list: D000900:Anti-Bacterial Agents; D010936:Plant Extracts; D009561:Nisin; D013213:Starch; D048271:Chitosan; C102526:nisin A