2004
DOI: 10.1590/s0100-46702004000200006
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Estudo da estabilidade térmica de óleos de peixes em atmosfera de nitrogênio

Abstract: Resumo: Os peixes são uma fonte rica em ácidos graxos poliinsaturados ômega 3 e esses ácidos fornecem benefícios para a saúde humana além da nutrição básica. Por essa razão muitos estudos têm sido feitos enfocando a análise do teor das substâncias que compõem os alimentos e também aos efeitos dos processamentos a que esses alimentos são submetidos. Esses estudos têm se estendido aos recursos pesqueiros. Vários estudos sobre a estabilidade térmica e/ou oxidativa e sobre o comportamento cinético de óleos vegetai… Show more

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Cited by 10 publications
(4 citation statements)
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“…Thermal analysis has been extensively used to examine various oil samples in terms of chemical reactions, physical properties, and thermal stability (Jain & Sharma, 2011). Among different techniques, thermo‐analytical methods like TGA have exhibited several important advantages over other methods, including sufficient sensitivity, precision, fastness, and requirement of only small amounts of the test material (Dweck & Sampaio, 2004; Garcia et al., 2004). Figure 5 presents the results of the TGA analysis for nectarine kernel oil.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Thermal analysis has been extensively used to examine various oil samples in terms of chemical reactions, physical properties, and thermal stability (Jain & Sharma, 2011). Among different techniques, thermo‐analytical methods like TGA have exhibited several important advantages over other methods, including sufficient sensitivity, precision, fastness, and requirement of only small amounts of the test material (Dweck & Sampaio, 2004; Garcia et al., 2004). Figure 5 presents the results of the TGA analysis for nectarine kernel oil.…”
Section: Resultsmentioning
confidence: 99%
“…In the first stage (25–321°C), a tiny mass loss occurred due to the removal of low‐boiling point components of the sample. The second phase was a fast decomposition stage (321–463°C), with the peak weight loss observed at 414°C, possibly due to the degradation of PUFAs (Garcia et al., 2004). The final stage (463°C to the end) represented the slow decomposition of monounsaturated and saturated FAs (Sbihi et al., 2013).…”
Section: Resultsmentioning
confidence: 99%
“…The thermogravimetric curves were obtained in a thermobalance with a nitrogen flow of 50 mL•min -1 and a heating rate of 10 °C•min -1 . The samples were placed in aluminum pans and heated in the temperature range of 20 to 500 ºC (Garcia et al, 2004). All thermal analyses were carried out in triplicate.…”
Section: Thermal Analysesmentioning
confidence: 99%
“…Nas últimas décadas, técnicas termoanalíticas têm sido empregadas com o intuito de controlar a qualidade de óleo de gorduras vegetais, e principalmente, de biodiesel, pois fornecem dados sobre a estabilidade destes produtos perante seu comportamento térmico (TOMASSETTI, et al, 1991;GARCIA, et al, 2004). Poucos trabalhos, envolvendo o óleo de linhaça, têm sido publicados.…”
Section: Figura 3: Esquema Geral Das Etapas Envolvidas No Processo Deunclassified