Pharmacognosy 2 Unit 2: Resins Study Notes (B.Pharm Sem 5)
Comprehensive handwritten notes PDF covering resin identification, extraction methods, and therapeutic applications. Includes detailed Q&A on Benzoin, Guggul, Ginger, and other important resins. Perfect for pharmacy students preparing for university exams.
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Comprehensive Resin Pharmacology Guide
Resin Fundamentals
- Definition: Complex mixtures of amorphous products with oxidative polymerization of terpenes
- Therapeutic Uses: Anti-inflammatory, expectorant, antimicrobial properties
- Classification:
- Oleo-resins (Turpentine)
- Gum-resins (Asafoetida)
- Balsams (Benzoin)
Key Resin Analysis
Benzoin
- Types: Sumatra (Convolute tears) vs Siam (Flat tears)
- Tests: Acid value determination, KMnO₄ oxidation test
- Uses: Topical antiseptic, incense production
Guggul
- Active Constituents: Guggulsterones (C₂₁H₂₈O₂)
- Tests: Libermann-Burchard (blue-green color)
- Adulterants: Colophony, asphalt
Production Techniques
- Ginger:
- Steam distillation for oleoresin
- Adulteration with starch or exhausted ginger
- Asafoetida:
- Incising living rhizomes for latex collection
- Standardization by volatile oil content
Quality Control Tests
- Myrrh: Alcohol-insoluble residue ≤ 70%
- Colophony: Acid value (150-180), ester value (>7)
- Styrax: Cinnamic acid content ≥ 30%
600+ words detailed notes containing chemical structures, flowcharts of extraction processes, and comparative tables of different resin types with their pharmacopoeial standards.
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