synthetic dyes


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Related to synthetic dyes: Natural Dyes

syn·thet·ic dyes

organic dye compounds originally derived from coal-tar derivatives; presently produced by synthesis from benzene and its derivatives; examples include eosin, methylene blue, and fluorescein.

syn·thet·ic dyes

(sin-thet'ik dīz)
Organic dye compounds originally derived from coal-tar derivatives; currently produced by synthesis from benzene and its derivatives.
References in periodicals archive ?
2015) reported that synthetic dyes have been decolorized using physical, chemical and biological methods.
Proponents of modern chemistry were in fact very aware of the expertise of Indian dyers, even in handling synthetic dyes.
It creates a sense of ownership and gratification that synthetic dyes never do.
Thus, the use of synthetic dyes is strictly controlled by laws, regulations and acceptable daily intake (ADI) values [4].
Among different pollution sources, wastewater coming out of the textile industry containing harmful chemicals including synthetic dyes, is a serious concern.
According to Polonio and Peres (2009), toxicity evaluations, in addition to warning about the permitted tolerance limits of dyes, have banned the use of some synthetic dyes worldwide, such as solid yellow (formerly used in jellies); orange GGN (formerly used in ice cream), solid red (formerly used in fillings and cookie coatings), alizarin blue (formerly used in emulsified oils and gelatins) and scarlet GN (formerly used in confectionery fillings), because these additives revealed cytotoxicity, genotoxicity and mutagenicity in various test systems.
The synthetic dyes are potential threats to human safety and they should be consumed in a controlled manner.
Among the topics are applying lignocellulosic residues in the production of cellulase and hemicellulases from fungi, the regulation of plant cell wall degrading enzymes formation in filamentous fungi, ligninolytic enzymes from white-rot fungi and application in removing synthetic dyes, genetic tools for producing proteins in fungi, and lipases as imperative fat-degrading enzymes.
It has been known for decades that certain food additives, such as petroleum-based synthetic dyes, can have a negative impact on children's behavior, and recent studies have confirmed this link.
Either may be worn and it's thought that the garish appearance of early synthetic dyes might have been the cause of the hunting tartan trend.
According to ACC, gains were seen in the output of adhesives, coatings, chlor-alkali, consumer products, other specialties, and synthetic rubber which were partly offset by lower production of organic chemicals, pesticides, pharmaceuticals, industrial gases, manmade fibres, plastic resins, fertilizers, and synthetic dyes and pigments.
Stateside, CSPI petitioned the FDA in 2008 to revoke approvals for all synthetic dyes except Citrus Red 2 and to require warning labels in the interim.