Academic journal article Iranian Journal of Public Health

Antimicrobial Properties of Sodium Caseinate Film Containing Pomegranate Peel Extract on the Ground Meet

Academic journal article Iranian Journal of Public Health

Antimicrobial Properties of Sodium Caseinate Film Containing Pomegranate Peel Extract on the Ground Meet

Article excerpt

Background: Microbial growth is considered as the main cause of food spoilage that can be controlled by the use of films containing antimicrobial compounds. In recent years numerous studies have been conducted to evaluate, the im- pact of the antimicrobial activity of various extracts and spic- es in edible films. Phenolic compounds of pomegranate peel have been demonstrated to have high antimicrobial activities.

Methods: Therefore in the present study, casein-based edible films containing 1, 1.5 or 2 times of minimum inhibitory concentration (MIC) of pomegranate peel extract were pre- pared and their antimicrobial impacts against two Gram- positive and Gram-negative bacterial strains were investigated using diffusion disk method. Antimicrobial impact of edible films was also studied on ground meat.

Results: According to the results, pomegranate peel extract- free films had no antimicrobial activity. …

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