Dyes and biomimetic systems: detergency and food industry

被引:3
作者
Astray, G. [1 ]
Cid, A. [1 ,2 ]
Manso, J. A. [1 ]
Moldes, O. [1 ,2 ]
Morales, J. [1 ]
Quintas, J. [1 ]
机构
[1] Univ Vigo, Fac Ciencias Ourense, Dept Quim Fis, San Cibrao Das Vinas, Ourense, Spain
[2] Univ Vigo, Ctr Invest Transferencia & Innovac, San Cibrao Das Vinas, Ourense, Spain
关键词
micelles; SDS; dyes; binding constant; CYCLODEXTRIN; INDICATORS; MICELLES; REMOVAL;
D O I
10.1080/19476337.2011.585718
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Dyes are widely used as additives in the food industry. As some dyes may pose health risks when being in contact with food, their removal in industrial processes is an important issue. Since the surfactant sodium dodecyl sulphate (SDS) covers a wide range of variety of task to remove oily materials, and it is often used in detergency processes, the association of some relevant dyes to SDS micellar aggregates has been investigated. In particular, the binding constants of the dyes, bromophenol blue, malachite green, crystal violet, congo red, calcon, methyl orange, and methyl red, to the SDS micelles have been measured using a UV-Vis spectrophotometric method. In all cases, a strong association of the different substrates has been probed.
引用
收藏
页码:252 / 256
页数:5
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