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      Thymol, cardamom and Lactobacillus plantarum nanoparticles as a functional candy with high protection against Streptococcus mutans and tooth decay.

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          Abstract

          Due to the increasing resistance of microorganisms against antibiotics, the use of natural bioactive substances for the prevention of pathogenic bacteria is considered in food products. In this study, thymol, cardamom essential oil, L. plantarum cell-free supernatant (ATCC 14917), and their nanoparticle candies prepared and inhibition activities against S. mutans (ATCC 25175), which is important in causing tooth decay, was investigated. Moisture content, pH, and sensory analyzes of candies measured. Also, SEM and FTIR of treated candy samples were performed. All examined bioactive substances and their nanoparticles showed an inhibitory effect against S. mutans with different minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). The prepared candies had pH 5.5 represented a bactericidal effect against S. mutans. SEM and FTIR results approved the antibacterial effects of prepared candies. According to the results, all of the prepared candies significantly decreased S. mutans in saliva compared to the control candy and they are suitable agents for S. mutans growth-inhibiting. Also, cardamom essential oil candy showed the most general acceptance in a sensory analysis by panelists.

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          Author and article information

          Journal
          Microb Pathog
          Microbial pathogenesis
          Elsevier BV
          1096-1208
          0882-4010
          Nov 2020
          : 148
          Affiliations
          [1 ] Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. Electronic address: karimi.nayyer@yahoo.com.
          [2 ] Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
          [3 ] Department of Microbiology, Baku State University, Baku, Azerbaijan.
          [4 ] Tabriz University of Applied Science and Technology, Tabriz, Iran.
          [5 ] Department of Basic Sciences, Maragheh University of Medical Sciences, Maragheh, Iran.
          [6 ] Department of Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
          [7 ] Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
          [8 ] Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
          [9 ] Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. Electronic address: Kafilhs@tbzmed.ac.ir.
          Article
          S0882-4010(20)30847-0
          10.1016/j.micpath.2020.104481
          32916244
          aaf0d717-e085-456a-b328-90399c812e2a
          History

          Thymol,S. mutans,L. plantarum cell-Free supernatant,Cardamon essential oil

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