2006
DOI: 10.1080/87559120500379951
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Mechanisms of Extraction of Aroma Compounds from Foods, Using Adsorbents. Effect of Various Parameters

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Cited by 79 publications
(55 citation statements)
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“…The HS-SPME technique gives simultaneously tens or hundreds of possible volatile compounds and also provides interesting results when gas chromatography (GC) is combined with either Flame Ionization Detector (FID) or mass spectrometric detection (MS), but it must be optimized for the volatiles being targeted [18] [19]. Many factors can affect the optimization of extraction conditions, such as the correct fibre and an appropriate chamber for capturing the VOCs, the temperature used during extraction and the extraction time from the headspace [20]. So far, there has been no systematic work on optimizing extraction conditions for whole fresh citrus fruit.…”
Section: Introductionmentioning
confidence: 99%
“…The HS-SPME technique gives simultaneously tens or hundreds of possible volatile compounds and also provides interesting results when gas chromatography (GC) is combined with either Flame Ionization Detector (FID) or mass spectrometric detection (MS), but it must be optimized for the volatiles being targeted [18] [19]. Many factors can affect the optimization of extraction conditions, such as the correct fibre and an appropriate chamber for capturing the VOCs, the temperature used during extraction and the extraction time from the headspace [20]. So far, there has been no systematic work on optimizing extraction conditions for whole fresh citrus fruit.…”
Section: Introductionmentioning
confidence: 99%
“…No entanto, assim como para o modo estático, a extração completa nem sempre é alcançada para matrizes sólidas como materiais de embalagem. 6,[40][41][42] Outro aspecto a ser considerado no headspace dinâmico refere-se ao emprego de temperaturas elevadas para extração de compostos semi-voláteis. Nesta situação pode ocorrer degradação química do material polimérico adsorvente.…”
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“…Polímeros com estrutura composta de 2,6-paradifenileno, comercialmente conhecidos por Tenax, bem como seus derivados e polímeros com estrutura composta de etilvinilbenzeno/divinilbenzeno, comercialmente conhecidos por Porapak, também têm sido utilizados. 42 A extração de voláteis por técnicas de headspace tem sido continuamente estudada e desenvolvida, com o objetivo de simplificar os processos preliminares de preparo de amostra e facilitar a automação. Avanços alcançados nestas técnicas incluem sistemas automáticos que permitem o acoplamento do amostrador do headspace ao injetor de um cromatógrafo a gás, conhecido por sistema de injeção purge and trap.…”
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“…The success of its use depends on factors such as the chemical nature of the compounds to be extracted, the temperature used during extraction, extraction time and amount of added salts [18]. Studies considering the variables one by one to obtain the best possible conditions of SHS sampling have been followed by Gaines et al [19] and Atchen et al [20], but these procedures requires a lot of experiments and are also time consuming.…”
Section: Introductionmentioning
confidence: 99%