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Effect of Extraction Time on the Yield, Chemical Composition, and Antibacterial Activity of Hop Essential Oil Against Lactic Acid Bacteria (Lactobacillus brevis and Lactobacillus casei) Beer Spoilage.
Duarte, Patrícia Fonseca; do Nascimento, Lucas Henrique; Fischer, Bruno; Lohmann, Andreia Menin; Bandiera, Valmor José; Fernandes, Ilizandra Aparecida; Magro, Jacir Dal; Valduga, Eunice; Cansian, Rogério Luis; Paroul, Natalia; Junges, Alexander.
Afiliação
  • Duarte PF; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • do Nascimento LH; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Fischer B; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Lohmann AM; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Bandiera VJ; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Fernandes IA; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Magro JD; Environmental Sciences Area, Community University of Chapecó Region (Unochapecó), Servidão Anjo da Guarda, 295-D, Bairro Efapi, Chapecó, SC, 89809-900, Brazil.
  • Valduga E; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Cansian RL; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Paroul N; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil.
  • Junges A; Food and Chemical Engineering Department, URI Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS, 99709-910, Brazil. junges@uricer.edu.br.
Curr Microbiol ; 80(7): 237, 2023 Jun 08.
Article em En | MEDLINE | ID: mdl-37289261
Hop essential oil (EO) generates interest for its antioxidant and antimicrobial properties, in addition to the volatile compounds that are responsible for the hop aroma in beer. Thus, the objective of this study was to evaluate the chemical composition, EO yield, and antibacterial activity of hop essential oil from hops of the Chinook variety against lactic acid bacteria (Lactobacillus brevis and Lactobacillus casei) at different times of extraction. EO extraction was performed by hydrodistillation at different times. By analyzing the chemical composition by gas chromatography and mass spectrometry, the minimum inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) were determined. The major compounds of hop EO were α-humulene, ß-myrcene, and ß-caryophyllene, and the extraction yields were 0.67, 0.78, and 0.85% mass of EO per mass of hops pelletized hops (m/m), for extractions of 90, 180, and 300 min, respectively. The EO obtained in 90 min was efficient against L. casei at 2.5 mg/mL (MIC) and 5.0 mg/mL (MBC), and the 300 min one against L. brevis at 2.5 mg/mL (MIC) and 25 mg/mL (MBC). The antibacterial activity was affected by the chemical makeup of the oil, revealing that the hop EO extracted in 300 min was the most efficient among the other extraction times.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Óleos Voláteis / Levilactobacillus brevis / Lactobacillales / Lacticaseibacillus casei Idioma: En Revista: Curr Microbiol Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Óleos Voláteis / Levilactobacillus brevis / Lactobacillales / Lacticaseibacillus casei Idioma: En Revista: Curr Microbiol Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos