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- Shao, Bing, et al. Show all 3 Authors
- Food additives & contaminants 2011 v.28 no.9 pp. 1159-1167
- chewing gum; correlation; detection limit; dyes; food coloring; high performance liquid chromatography; liquid-liquid extraction; methylene chloride; rapid methods; sodium hydroxide; solid phase extraction
- ... A simple and rapid method has been developed and validated for the determination of five food aluminum lake dyes (Tartrazine Al lake, Sunset Yellow Al lake, Ponceau 4 R Al lake, Allura Red Al lake and Brilliant Blue Al lake) in chewing gum. The dye portions of the target aluminum lakes were simultaneous extracted with 0.25 M NaOH and cleaned up by liquid-liquid extraction with dichloromethane, fol ...