| CAS No.: | 1934-21-0 |
|---|---|
| Color: | Yellow |
| Appearance: | Powder |
| Transport Package: | Paper |
| Specification: | large |
| Trademark: | china |
| Samples: |
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Audited Supplier Tartrazine, also known as FD&C Yellow #5, is an approved artificial food color that has been widely used in foods and pharmaceuticals for many years. Ingestion of tartrazine is associated with adverse reactions (asthma and chronic hives) in a sensitive subpopulation of consumers (Lockey, 1959). However, unlike the situation with sulfite-induced asthma, the association of tartrazine in the provocation of asthma and chronic uriticaria is controversial. The effects noted in some studies could not be reproduced in others (Bush and Taylor, 2009). Both asthma and chronic urticaria are chronic illnesses whose symptoms tend to flare-up at unpredictable times. In some of the clinical trials on tartrazine, key pharmaceutical agents have been withdrawn from the human subjects before initiation of the tartrazine challenges. If the study is not designed carefully, the flare-up of the asthma or urticaria in such a trial could be due to either the administration of tartrazine or the withdrawal of the medication that controls symptoms. The plethora of poorly designed clinical trials on tartrazine has led several groups to conclude that tartrazine may not actually elicit asthma or chronic urticaria (Bush and Taylor, 2009; Stevenson, 2003).
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