2007
DOI: 10.4067/s0718-07642007000300005
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Evaluación del Contenido de Licopeno en Pastas de Tomate Comerciales

Abstract: Se ha evaluado el contenido de licopeno y algunas propiedades fisicoquímicas y microbiológicas en cuatro pastas de tomates, tres nacionales y una importada. La metodología consistió en la extracción de los compuestos carotenoides presentes en las pastas de tomates con acetona. Los extractos carotenoides se separaron y purificaron por cromatografía de capa fina utilizando como solvente éter de petróleo ligero, y se prepararon soluciones estándares de licopeno. Usando espectrofotometría UV-visible, se determinar… Show more

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Cited by 5 publications
(4 citation statements)
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“…The pH of the research is similar to the one described by [16] in a range between 4.91 and 5.07. According to [17], the range of soluble solids is 7 to 11 ˚Brix, a little lower than the result of the present investigation, which is due to the degradation of fructan polymers in simple sugar molecules or the bigger loss of water in the general composition of the mature fruit [18].…”
Section: Physical-chemical Characterization Of the Dehydrated Raw Matcontrasting
confidence: 77%
“…The pH of the research is similar to the one described by [16] in a range between 4.91 and 5.07. According to [17], the range of soluble solids is 7 to 11 ˚Brix, a little lower than the result of the present investigation, which is due to the degradation of fructan polymers in simple sugar molecules or the bigger loss of water in the general composition of the mature fruit [18].…”
Section: Physical-chemical Characterization Of the Dehydrated Raw Matcontrasting
confidence: 77%
“…The pH of this investigation was like the one described by Gonzalez et al, (2008), 4.91 and 5.07. According to Garcia et al, (2014) the range of soluble solids was from 7 to 11 °Brix, a little bit lesser to the results obtained in this investigation, the reason might have been to the degradation of polymers of fructans in molecules of simple sugar or to the greater loss of water in the general composition of the mature fruit [11].…”
Section: Physical-chemical Characterization Of the Dehydrating Raw Ma...contrasting
confidence: 57%
“…The content of vitamin C in the fruit was determined by the titration method [31], in which fresh fruit samples of 10 g were taken, crushed together with 10 mL of 2% hydrochloric acid, filtered and made up to 100 mL with distilled water in an Erlenmeyer flask; then, 10 mL of the dilute was titrated with 2,6 dichlorophenolindophenol (1 × 10 −3 N). The determination of lycopene was then carried out [32,33].…”
Section: Nutraceutical Quality: Phenolic Content Flavonoids Vitamin C and Lycopenesmentioning
confidence: 99%