کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5850534 1561776 2014 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Assessment of the breakdown products of solar/UV induced photolytic degradation of food dye tartrazine
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک دانش تغذیه
پیش نمایش صفحه اول مقاله
Assessment of the breakdown products of solar/UV induced photolytic degradation of food dye tartrazine
چکیده انگلیسی
The food dye tartrazine (CI 19140) was exposed to UV irradiation from an artificial source, a mercury vapor lamp, and a natural one, sunlight. It was observed that conditions such as energy dose, irradiation time, pH and initial dye concentration affected its discoloration. There was 100% of color removal, after 30 min of irradiation, when a dye solution 1 × 10−5 mol L−1 was submitted to an energy dose of 37.8 J cm−2. Liquid Chromatography coupled to Diode Array Detection and Mass Spectrometry confirmed the cleavage of the chromophore group and the formation of five by-products at low concentration. Although by-products were formed, the Salmonella/microsome mutagenicity assay performed for both, the dye solution at a dose of 5.34 mg/plate and the solutions obtained after exposure to UV irradiation, did not present mutagenic activity for TA98 and TA100 with and without S9.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Food and Chemical Toxicology - Volume 68, June 2014, Pages 307-315
نویسندگان
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