Detection of Methyl Orange in Saffron and Other Edibles Using Direct Injection Micellar Liquid Chromatography
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Otros documentos de la autoría: Ashok, Vipin; Agrawal, Nitasha; Esteve-Romero, Josep; Bose, Devasish; Dubey, Neeti Prakash
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http://dx.doi.org/10.1007/s12161-016-0578-3 |
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Detection of Methyl Orange in Saffron and Other Edibles Using Direct Injection Micellar Liquid ChromatographyFecha de publicación
2017-01Editor
SpringerCita bibliográfica
ASHOK, Vipin; AGRAWAL, Nitasha; ESTEVE-ROMERO, Josep; BOSE, Devasish; DUBEY, Neeti Prakash. Detection of Methyl Orange in Saffron and Other Edibles Using Direct Injection Micellar Liquid Chromatography. Food Analytical Methods (2017), v. 10, issue 1, pp. 269-276Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://link.springer.com/article/10.1007/s12161-016-0578-3Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
A simple, sensitive, rapid and eco friendly micellar
liquid chromatographic method was developed for the detec-
tion of banned color methyl orange in counterfeit saffron and
prepared foodstuffs. Methyl orange ... [+]
A simple, sensitive, rapid and eco friendly micellar
liquid chromatographic method was developed for the detec-
tion of banned color methyl orange in counterfeit saffron and
prepared foodstuffs. Methyl orange (p-[[p-(dimethylamino)
phenyl] azo] benzenesulfonic acid sodium salt) is a hazardous
dye used in titration and is known to be used as common
adulterant in counterfeit saffron and cooked foodstuffs like
Jalebi (Indian sweet), mango shake, Namkeen (salted snacks),
tomato ketchup and ice candy etc., due to its pleasant orange
color. In the present work, methyl orange was detected in
various food samples using direct injection micellar liquid
chromatography without any pretreatment step. A C18 col-
umn with an optimum micellar mobile phase containing
0.05-M sodium dodecyl sulfate (SDS), 2 % pentanol buffered
to pH 7 was used. Detection was carried out at 458 nm. The
retention time was 3.7 min without showing any matrix effect.
Linearity (
r
> 0.9999), intraday and interday precision RSD
(%) was less than 1.00 in micellar media. Limit of detection
and quantification was found to be 0.05 mg/kg and 0.10 mg/
kg, respectively. Robustness study was also included as a part
of method validation. The developed method proved to be
reliable and sensitive for determination of methyl orange in
real food samples. [-]
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Food Analytical Methods (2017), v.10, issue 1Derechos de acceso
http://rightsstatements.org/vocab/CNE/1.0/
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