Send the link below via email or IMCopy
Present to your audienceStart remote presentation
- Invited audience members will follow you as you navigate and present
- People invited to a presentation do not need a Prezi account
- This link expires 10 minutes after you close the presentation
- A maximum of 30 users can follow your presentation
- Learn more about this feature in our knowledge base article
Do you really want to delete this prezi?
Neither you, nor the coeditors you shared it with will be able to recover it again.
Make your likes visible on Facebook?
Connect your Facebook account to Prezi and let your likes appear on your timeline.
You can change this under Settings & Account at any time.
Copy of Color
Transcript of Copy of Color
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:
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
CERTIFIED NON CERTIFIED: CERTIFIED: CHLOROPHYLL CARMINE RED BETA CAROTENE Brilliant Blue FCF: trimethan
Fast green FCF: Trimethane
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: