EFFECT OF STORAGE STABILITY ON THE ANTIMICROBIAL ACTIVITY OF MICROENCAPSULATED VIA SPOUTED-BED ROSEMARY EXTRACTS
作者: Nevena Lazarova-ZdravkovaDimitar PeshevNelly Georgieva
刊名: Journal of Chemical Technology and Metallurgy, 2020, Vol.55 (2)
来源数据库: University of Chemical Technology and Metallurgy
关键词: Hydro-alcoholic extractsMicroencapsulated rosemary extractsStorage stabilityAntibacterial activityAgar diffusion method
原始语种摘要: Long-term stability of microencapsulated via spouted-bed rosemary hydro-alcoholic extracts was studied regarding their antibacterial activity. The samples were stored in dark place at 4°C for 10 months. Five batches with variation in the incorporated extracts and composition of the coating agent were tested by means of the agar diffusion method against two model strains, the Gram-negative Escherichia coli K12 and the Gram-positive Bacillus subtilis 356. Inhibitory effect was obtained from all five samples against the Gram-positive bacteria. None of the studied products showed activity against the Gram-negative strain. The most prominent effect against B. subtilis 356 was detected by microcapsules of batch 5 containing the highest amount of fresh rosemary extract, followed by the samples...
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关键词翻译
关键词翻译
  • extracts 摘记
  • alcoholic 醇的
  • rosemary 迷迭香
  • against 反对
  • effect 效应
  • batch 一批
  • microcapsules 微囊剂
  • antibacterial 抗细菌的
  • activity 活度
  • concentrated 集中的