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1.
Braz. arch. biol. technol ; 64: e21200106, 2021. tab, graf
Article in English | LILACS | ID: biblio-1345494

ABSTRACT

Abstract The aim of this study was to evaluate the antimicrobial effect of the essential oils of cinnamon, cardamom, clove, oregano, and thyme and their synergism on vegetative cells and endospores of Clostridium perfringens type A inoculated in meat sausage (mortadella), as well as the influence of blends on the color, and lipid oxidation through the determination of thiobarbituric acid reactive substances (TBARS index). The anticlostridial action of the oil blends was established. The two added oil blends (Treat. 1: oregano, clove, and thyme; Treat. 2: oregano, clove, and cinnamon) in combination with reduced nitrite content (75 ppm) promoted a lower growth of C. perfringens in mortadella stored at 15 °C for 21 days in comparison to treatments containing only 75 ppm of nitrite. The essential oil blends showed antioxidant action and did not alter food color, thus possessing potential application as a preservative for the meat products industry.


Subject(s)
Oils, Volatile , Endospore-Forming Bacteria , Anti-Infective Agents/pharmacology , Nitrites , Antioxidants/pharmacology , Cinnamomum zeylanicum , Dianthus , Elettaria , Origanum , Thymus Plant
2.
Hig. aliment ; 33(288/289): 2798-2802, abr.-maio 2019. tab
Article in Portuguese | LILACS, VETINDEX | ID: biblio-1482340

ABSTRACT

Avaliou-se a ação antimicrobiana da combinação dos óleos essenciais de canela, pimenta chinesa, limão Taiti e cardamomo e de suas nanoemulsões no controle de Clostridium sporogenes e sua influência sobre a oxidação lipídica em mortadela. A Concentração Mínima Bactericida (CMB) de cada óleo foi determinada pelo método de macrodiluição. As CMB encontradas foram: 0,10% óleo essencial de pimenta chinesa e canela e 1,00% óleo essencial de cardamomo e limão Taiti. A nanoemulsão elaborada apresentou redução significativa no número de células vegetativas de C. sporogenes na mortadela, além de ser o tratamento mais eficiente no controle da oxidação lipídica. Os resultados obtidos comprovam a ação antimicrobiana dos óleos testados, sugerindo sua possível utilização como conservantes naturais em produtos alimentícios.


Subject(s)
Anti-Infective Agents/analysis , Antioxidants/administration & dosage , Clostridium/drug effects , Food Preservatives/administration & dosage , Food Microbiology , Meat Products/microbiology , Oils, Volatile/administration & dosage
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