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Presentation O n C o l o r i n g A g e n t. Coloring Agents :. The colorants are the cosmetics for the pharmaceutical formulations. Colorants are mainly used to impart a distinctive appearance to the pharmaceutical dosage forms. Common Uses of Coloring Agents :.
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Presentation OnColoringAgent www.AssignmentPoint.com
Coloring Agents : The colorants are the cosmetics for the pharmaceutical formulations. Colorants are mainly used to impart a distinctive appearance to the pharmaceutical dosage forms. www.AssignmentPoint.com
Common Uses of Coloring Agents : Colorants are used as many purpose: • Foods. • Cosmetics. • Medicines. • Pharmaceuticals. • Jewelry. www.AssignmentPoint.com
Coloring Agents used as pharmaceuticals : • Tablets. • Tablets coatings. • Capsules (hard gelatin, soft gelatin). • Liquid oral. • Tooth pastes. • Ointments. • Salves. www.AssignmentPoint.com
Classification : There are 3 types of Color : • 1. Organic dyes. • 2. Inorganic or mineral colors. • 3. Natural colors (Natural colors are obtained from mineral, plant and animal sources). www.AssignmentPoint.com
Ideal properties of a coloring Agents : • Nontoxic and have no physiological activity. • Free from harmful impurities. • Unaffected by oxidizing or reducing agents and pH changes. • Compatible with medicaments and not interfere with them. • Free from objectionable taste and odour. • Readily available and inexpensive. www.AssignmentPoint.com
Coloring systems for various dosage forms : Tablets: Wet granulation Direct compression www.AssignmentPoint.com
Coloring systems for various dosage forms : Tablet coating : Sugar coating Film coating www.AssignmentPoint.com
Coloring systems for various dosage forms : Capsules : Hard gelatin capsules Soft gelatin capsules www.AssignmentPoint.com
Coloring systems for various dosage forms : Ointments, salves & Tooth pastes : Both dyes and pigments can be used for coloring ointments and salves, depending on the vehicle. www.AssignmentPoint.com
Widely used colorants in pharmaceuticals : • Beta-carotene Uses: It is pale yellow to dark orange. It can be used as a color for sugar‐coated tablets prepared by the ladle process. • Indigo Carmine Uses: It is a dark blue powder. carmine is as a pH indicator. Indigo carmine is an indigoid dye used to color oral and topical pharmaceutical preparations. • Sunset Yellow FCF Uses: as a dye in the manufacturing of capsules. www.AssignmentPoint.com
Widely used colorants in pharmaceuticals : • Tartrazine Used: to improve the appearance of a product and to impart a distinctive coloring for identification purposes. • Titanium Dioxide. Used: as a white pigment in film‐coating suspensions, sugarcoated tablets, and gelatin capsules. • Iron Oxides Uses: widely used in cosmetics, foods, and pharmaceutical applications as colorants and UV absorbers. www.AssignmentPoint.com
The End www.AssignmentPoint.com