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VOL. 4, ISSUE 4 (2019)
Estimation of synthetic dyes in various food samples by spectrophotometric methods
Authors
Akshitha M, Sridevi P, Mahesh K, Bhagavan Raju M
Abstract
In the present study an attempt has been made to perform extraction, identification and estimation of synthetic dyes in different food stuffs by Colorimeter and UV-Visible spectrophotometer. A reliable and fast method was developed and applied to the estimation of selected synthetic food dyes (Carmosine, Ponceau 4R, Sunset Yellow) in three different kinds of food stuffs: solid masala powders, mixed fruit jam and Tomato ketchup. Water was employed as a solvent system depending on the expected dyes in the studied samples. Synthetic food colors like Ponceau 4R, Carmosine,Sunset Yellow and three samples were detected at wavelengths 482nm,510nm,425nm. All the samples were studied as per USFDA. Carmosine and Poneau 4R in mixed fruit jam and tomto ketchup have exceed legislated values.
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Pages:123-126
How to cite this article:
Akshitha M, Sridevi P, Mahesh K, Bhagavan Raju M "Estimation of synthetic dyes in various food samples by spectrophotometric methods". International Journal of Food Science and Nutrition, Vol 4, Issue 4, 2019, Pages 123-126
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