Physical-chemical and antimicrobial properties of Egg White Protein Powder films incorporated with orange essential oil on Kashar Cheese

Abstract

In this study, the effects of edible film (EWPP_CVV) produced by the addition (2% v/v) orange essential oil (EO_CVV) to sorbitol (3% w/v) egg white protein powder (EWPP) based film on the physico-chemical and antibacterial properties, appearance (color, structure, brightness) and odor of kashar cheese were studied .Cheese samples were separately coated with these films and stored at +4°C for 30 days. Analyses were performed on the 1st, 7th, 15th and the 30th days of storage. During storage, the inner and outer hardness values during storage of the samples coated with EWPP_CVV were lower than of those coated with EWPP. With the addition of EO_CVV to the film, the antimicrobial effects on of the studied microorganisms increased. EWPP film was brighter and more transparent compared to EWPP_CVV. The color of EWPP_CVV was more yellowish.

Keywords:
egg white protein powder; edible films; orange essential oil; kashar cheese