Compare the effect of different Natural Native antimicrobial agents to Starch Based Coatings on Antimicrobial and Shelf life of Grape
- سال انتشار: 1393
- محل انتشار: پانزدهمین کنگره ملی مهندسی شیمی ایران
- کد COI اختصاصی: ICHEC15_449
- زبان مقاله: انگلیسی
- تعداد مشاهده: 788
نویسندگان
Chemical Engineering Department, Science and Research Branch, Islamic Azad University, Tehran, Iran
Khatam Polymer Co. Units ۹, No.۲, Hamsayeghan str. Valiaser Str. Tehran, Iran
Chemical Engineering Department, Science and Research Branch, Islamic Azad University, Tehran, Iran
Chemical Engineering Department, Islamic Azad Universities Tehran South Branch, Tehran, Iran
چکیده
In this study, we investigated the application of natural antimicrobial substances (aloe vera, Iranian aqua honey propolis extract and chamomile essential oil) ranging from 0 to 0.75% concentration incorporated into starch and carboxy methyl cellulose which was assessed as a potential protective coating in grape fruit at 25°C during a period of 28 days. Iranian aqua honey propolis extract as a natural antioxidant and antimicrobial agent prolonged microbiological and physicochemical shelf life by more than 24 days in comparison with other coatings and non-coated fresh grape. However, significant (p< 0.05) reduction of physicochemical shelf life was observed in firmness characteristics and the lowest minimum inhibitory concentration values of antimicrobial agents were obtained for yeasts and molds of grape which honey propolis extract. According to the results, incorporated 0.75% of honey propolis extract into the coating appeared to be a promising preservation alternative for fresh grape because of having good acceptance by consumer and inhibited microbial counts for both yeasts and moldsکلیدواژه ها
Antimicrobial activity; Grape; Honey propolis extract; Chamomile essential oil; Aloe veraمقالات مرتبط جدید
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