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  • 标题:The Effect of Whey Protein Films with Ginger and Rosemary Essential Oils on Microbiological Quality and Physicochemical Properties of Minced Lamb Meat
  • 本地全文:下载
  • 作者:Maria Tsironi ; Ioanna S. Kosma ; Anastasia V. Badeka
  • 期刊名称:Sustainability
  • 印刷版ISSN:2071-1050
  • 出版年度:2022
  • 卷号:14
  • 期号:6
  • 页码:3434
  • DOI:10.3390/su14063434
  • 语种:English
  • 出版社:MDPI, Open Access Journal
  • 摘要:Consumers’ constant search for high-quality and safe products, with the least possible preservatives and additives, as well as extended shelf life, has led industries to research and develop alternative forms of food preservation and packaging. The purpose of this research was the study of the effect of natural antimicrobials and, in particular, the essential oils of ginger (Zingiber Officinale Roscoe) and rosemary (Rosmarinus officinalis L.) on strengthening whey protein films’ properties. Whey protein isolate (WPI) films, alone and with incorporated essential oils (WPI + EO) at different concentrations were prepared and then examined for their possible effect on delaying the deterioration of minced lamb meat. Microbiological and physicochemical measurements were carried out to examine the meat’s shelf life. Results showed that films with 1% EO significantly improved the microbiological quality of meat. On day 11, total viable counts, Pseudomonas spp., Br. thermosphacta, lactic acid bacteria, Enterobacteriaceae, and yeasts remained low for films with 1% concentration of essential oil compared with 0.5%. Regarding, physicochemical properties the same pattern was observed for pH while oxidation degree was significantly reduced. Finally, color attributes measurements recorded fluctuations between samples, but overall, no considerable discoloration was observed.
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