rosemary (rosmarinus officinalis): a study of the composition, antioxidant and antimicrobial activities of extracts obtained with supercritical carbon dioxide alecrim (rosmarinus officinalis): estudo da composição, atividade antioxidante e antimicrobiana dos extratos obtidos com dióxido de carbono supercrítico

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ID: 234431
2008
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Abstract
Rosemary leaf extracts were obtained by supercritical fluid extraction (SFE) and Soxhlet extraction. Their chemical compositions were evaluated by GC-MS. The extracts were analyzed for compounds reported in the literature as showing antimicrobial and antioxidant activities. The rosemary extracts were tested with regard to antioxidant (DPPH radical scavenging and total phenolic content - Folin-Denis reagent), antibacterial (Gram-positive bacteria - Staphylococcus aureus ATCC 25923 and Bacillus cereus ATCC 11778 - and Gram-negative bacteria - Escherichia coli ATCC 25922 and Pseudomonas aeruginosa ATCC 27853) and antifungal (Candida albicans) activities. Antioxidant, antibacterial and antifungal activities of the SFE extracts were confirmed.
Extratos das partes aéreas de alecrim foram obtidos utilizando fluidos supercríticos (FSC) e extrações Sohxlet. Sua composição foi analisada com GC-MS. Os extratos foram analisados com base nos compostos repostados na literatura como tendo atividade antimicrobiana e antioxidante. Os extratos de alecrim foram testados quanto à atividade antioxidante (radicais DPPH e conteúdo total de fenólicos - reagente Folin-Denis), antibacteriana (bactérias Gram-positivas: Staphylococcus aureus ATCC 25923 e Bacillus cereus ATCC 11778, e bactérias Gram-negativas: Escherichia coli ATCC 25922 e Pseudomonas aeruginosa ATCC 27853) e antifúngica (Candida albicans). As atividades antioxidantes, antibacterianas e antifúngicas dos extratos de FSC foram confirmadas.
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genena2008foodrosemary Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Aziza Kamal Genena;Haiko Hense;Artur Smânia Junior;Simone Machado de Souza
Journal software - practice and experience
Year 2008
DOI
10.1590/S0101-20612008000200030
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612008000200030
Keywords
antioxidant activity rosemary foods and food supplytechnology (general)

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