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INFLUENCE OF PACKAGING MATERIAL AND STORAGE TIME ON PHYSICAL, CHEMICAL AND MICROBIOLOGICAL PROPERTIES OF SET YOGURT: A COMPARATIVE STUDY BETWEEN MODIFIED BIODEGRADABLE POLY(LACTIC ACID) AND POLYPROPYLENE
Journal of Engineering Science and Technology
The current paper investigates the influence of storage time and type of polymeric packaging material on the chemical, physical and microbiological properties of set yogurt. Firstly, poly(lactic acid) (PLA) was modified by using a core-shell rubber (CSR) and an acrylic processing aid (PA) to produce PLA with high toughness and good processability. Secondly, an appropriate PLA/PA/CSR composition was selected and fabricated to yogurt cup. The yogurt was stored in both modified PLA anddoaj:7cb4622a625e4d8d923c92a2e8424e86 fatcat:kvfdtqsgufbaxmvujpd7avsoai