year 9, Issue 2 (Summer 2015)                   Iran J Med Microbiol 2015, 9(2): 47-55 | Back to browse issues page

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Akbarian Meymand M J, Faraji kafshgari S, Mahmodi E, Vatankhah M. The Effect of using microwave pretreatment in drying roots nutmeg on antimicrobial properties against pathogenic bacteria and spoilage molds. Iran J Med Microbiol. 2015; 9 (2) :47-55
1- Department of Food Science and Technology, Agricultural Sciences and Natural Resource university of Gorgan, Gorgan, Iran.
2- Department of Food Science and Technology, Agricultural Sciences and Natural Resource university of Gorgan, Gorgan, Iran. ,
3- Department of Food Science and Technology, Islamic Azad University of Sabzevar, Sabzevar.Iran
Abstract:   (12483 Views)

Background and Aim: Plants produce a diverse range of bioactive molecules, making them rich source of different types of medicines. Combinational technology is method which combination two or more technology (Conventional or advanced( to transfer heat and humidity. The purpose of this study was to investigate the effect of microwave pretreatment in drying  roots nutmeg on Antimicrobial activity in the against disease bacteria and spoilage mold.

Materials and Methods: In this study, two methods, oven and microwave oven with pre-treatment has been used for drying the roots  nutmeg and antibacterial effects of extracts produced by both methods against pathogenic bacteria and spoilage mold was studied by disk diffusion method and dilution in the wells.

Results: The results of the comparison and analysis of data showed that the methods of drying of the Hindi roots nutmeg was significant at the 99% level (p<0.01). Also the results showed that extract of  roots nutmeg had the most antimicrobial effect on Salmonella enterica  among the bacteria studied and  Trichoderma viride among  spoilage molds studied in this research.

Conclusions: The results showed that extracts of  roots  nutmeg avoid the growth of spoilage mold and pathogenic bacteria. Also, The results showed that using of microwave pretreatment in drying of  Hindi roots  nutmeg, increase antimicrobial properties.

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Type of Study: Original Research Article | Subject: Antimicrobial Substances
Received: 2014/07/2 | Accepted: 2015/02/2 | ePublished: 2015/07/4

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