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Advantages And Disadvantages Of Synthetic Dyes

958 Words4 Pages

Nowadays synthetic dyes are used in various food products since they would be colorless and appear undesirable without the use of colorants. Hence there is a tremendous increase in the use of food colorants in food industries in the last few years. Although some of these colorants are natural products many are synthetic and are added as small amounts in food, drug or cosmetic products [1–3].The advantages of the synthetic dyes compared to their natural counterparts are their brightness, higher stability, relatively cheap and have wider range of shades [4]. 2-(2,3-dihydro- 1,3-dioxo-1H-indene-2-yl)-6,8-quinolinesulfonic acid disodium salt also known as quinoline yellow is a synthetic yellow dye. It is mainly prepared by sulfonating 2-(2-quinolyl) indan-1, 3-dione. It is widely used as additives in the food industry [5]. It is widely used in foods, drugs, hair products, colognes, soft drinks, and in cosmetics. Studies have proven that quinoline yellow is genotoxic, and its genotoxicity has been confirmed using the cellular model systems, human lymphocytes in vitro [6]. The safety of quinoline yellow was reexamined by European Food Safety Authority and recommended to decrease its daily intake from 10 mg/kg to 0.5 mg/kg according to its opinion on 23 September 2009 [7]. There is a need for a high purity preparation since the dye is widely used as coloring agents at various food, drug and cosmetic products. It is also used in children food products and may cause asthma, rashes

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