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Copy of Color

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aldijana ikeljic

on 6 May 2013

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Transcript of Copy of Color

Chemistry Department
CHEM 404: Dyes and Pigments
Aneeka & Aldijana Color Additives for Food, Drug & Cosmetic Outline 1. Introduction
2. Color Additives for Food
3. Color Additives for Drug
4. Color Additives for Cosmetics Color Additives for Drug REASONS TO COLOR DRUGS:
Increases acceptability
For identification
Standard preparations
Stability purpose Introduction FFDCA
What are Color Additives?-Any material that can impart color to a food, drug, cosmetic
Types of Color Additives- Organic or Natural Color Additives for Food Reasons to Color Foods :
Increase Appetite Appeal
To mask defect
Protecting flavors and vitamins from damage by light
Decorative & Artistic purpose
To make less desirable food more desirable Example : Hazards : Allergic reactions
Carcinogenic – leading to cancer development
Genotoxic – leading to mutations or damaging chromosomes
Neurotoxic – leading to the damage of nerve tissue
Most Important & well studied SIDE EFFECT OF ARTIFICIAL COLOUR is ADHD Banned Food Dyes include: •Green 1, Red 1 – promote liver cancer
•Orange 1, Orange 2, Violet 1, Red 2, Red 32 – carcinogenic
•Sudan 1 – toxic
•Yellow 1 and 2 – lead to intestinal lesions
•Yellow 3 and 4 – promote heart damage Widely used Colorants : Brilliant Blue FCF: Allura Red AC: Indigo Carmine: Toxic Effect Banned Food Dyes include: Hazards of Food Colors tartrazine Sunset Yellow D&C Yellow No. 11, indigo carmine (FD&C Blue No. 2), quinoline yellow, and gentian violet (CI Basic Violet No. 3). Colorants for Cosmetics WHY ARE COLORANTS USED IN COSMETIC PRODUCTS?
attractive and appealing
product image ect...... Examples : Toxic Ingredients THANK YOU :D NON-CERTIFIED
Fast green FCF: Trimethane
Alura red
Erythrosine: Xanthene Indigotine: carbonyl Tartrazine: Pyrazolone Sunset yellow: Azo Ideal properties of a Drug colorant:

5. Readily available & inexpensive 1. Non toxic 2. Compatible with medicament's 3. Should be stable 4. Doesn't interfere withe the tests & assays Physical & Chemical properties Quinizarine Green SS:
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