About Herbal Drug Technology
Subject Code
BP603T
Semester
Semester 6
Credits
4 Credits
Herbal Drug Technology (BP603T) bridges traditional knowledge with modern pharmaceutical science. It covers the entire value chain of herbal medicines — from sourcing and cultivating medicinal plants (GAP, organic farming) through Indian systems of medicine (Ayurveda, Siddha, Unani), nutraceuticals and herbal cosmetics, to quality evaluation (WHO/ICH guidelines), intellectual property (patenting, biopiracy), and manufacturing standards (Schedule T GMP). This subject is increasingly relevant as the global herbal medicine market exceeds $100 billion.
Key Learning Objectives
- Herb Sourcing: Understand selection, identification, authentication, and processing of herbal raw materials.
- ISM Formulations: Know the basic principles of Ayurveda, Siddha, Unani and prepare/standardize traditional formulations.
- Nutraceuticals: Study functional foods, health benefits, and herb-drug interactions of important nutraceutical herbs.
- Herbal Cosmetics: Identify natural excipients for skin care, hair care, and oral hygiene products.
- Regulatory: Apply WHO/ICH guidelines for herbal drug evaluation, understand patenting/IPR, and Schedule T GMP compliance.
Syllabus & Topics Covered
Unit 1: Herbs as Raw Materials, Agriculture & Indian Systems of Medicine
- Herbs as raw materials: Definition of herb, herbal medicine, herbal medicinal product, herbal drug preparation. Source of Herbs. Selection, identification and authentication of herbal materials. Processing of herbal raw material.
- Biodynamic Agriculture: Good agricultural practices (GAP) in cultivation of medicinal plants including Organic farming. Pest and Pest management: Biopesticides/Bioinsecticides.
- Indian Systems of Medicine: Basic principles of Ayurveda, Siddha, Unani and Homeopathy. Preparation and standardization of Ayurvedic formulations – Aristas and Asawas, Ghutika, Churna, Lehya and Bhasma.
Unit 2: Nutraceuticals & Herb-Drug Interactions
- Nutraceuticals: General aspects, Market, growth, scope and types of products. Health benefits in Diabetes, CVS diseases, Cancer, IBS and GI diseases.
- Health food herbs: Alfalfa, Chicory, Ginger, Fenugreek, Garlic, Honey, Amla, Ginseng, Ashwagandha, Spirulina.
- Herbal-Drug and Herb-Food Interactions: Classification and study of Hypericum, Kava-kava, Ginkgo biloba, Ginseng, Garlic, Pepper & Ephedra.
Unit 3: Herbal Cosmetics, Excipients & Formulations
- Herbal Cosmetics: Fixed oils, waxes, gums, colours, perfumes, protective agents, bleaching agents, antioxidants in skin care, hair care and oral hygiene products.
- Herbal Excipients: Significance of natural origin substances as colorants, sweeteners, binders, diluents, viscosity builders, disintegrants, flavors & perfumes.
- Herbal Formulations: Conventional (syrups, mixtures, tablets) and Novel dosage forms (phytosomes).
Unit 4: WHO/ICH Guidelines, Patenting & Regulatory Issues
- Evaluation of Drugs: WHO & ICH guidelines for assessment of herbal drugs. Stability testing of herbal drugs.
- Patenting: Patent, IPR, Farmers’ rights, Breeder’s rights, Bioprospecting, Biopiracy. Case study of Curcuma & Neem.
- Regulatory Issues: Regulations in India (ASU DTAB, ASU DCC). Schedule Z of D&C Act for ASU drugs.
Unit 5: Herbal Industry & Schedule T GMP
- Herbal drugs industry: Present scope and future prospects. Plant-based industries and institutions in India.
- Schedule T – GMP for Indian systems of medicine: Components, objectives, infrastructure, working space, storage, machinery, SOPs, health and hygiene, documentation and records.
How to Score High in Herbal Drug Technology
- 1
Formulation Tables: Make a table of Ayurvedic dosage forms (Arista, Asava, Churna, Bhasma, Lehya) comparing ingredients, method, and standardization parameters.
- 2
Nutraceutical Cards: Create flashcards for each health food herb with botanical name, active constituent, health benefit, and mechanism.
- 3
IPR Case Studies: The Turmeric and Neem patent cases are guaranteed questions — know the timeline, parties involved, and outcome.
- 4
Schedule T Checklist: Treat Schedule T like Schedule M — memorize the GMP components as a checklist.
Why it Matters for Career
Herbal Drug Technology opens careers in the booming herbal and nutraceutical industry (Dabur, Himalaya, Patanjali, Hamdard). Quality control of herbal products, regulatory affairs for AYUSH formulations, R&D in phytopharmaceuticals, and herbal cosmetics formulation are growing career paths.
Exam Weightage
Unit 1 (ISM formulations — Arista, Asava, Bhasma) and Unit 2 (Nutraceuticals, herb-drug interactions) are most frequently asked. Unit 4 (WHO guidelines, Turmeric/Neem patent cases) is a guaranteed long-answer. Unit 5 (Schedule T GMP) is also important.
Frequently Asked Questions (FAQs)
Is Herbal Drug Technology a scoring subject?
Yes. It is largely descriptive and does not require complex calculations or chemical structures. If you can organize your answers well (definitions, tables, classifications), this is one of the highest-scoring subjects in B.Pharm. Focus on nutraceutical herbs, ISM formulations, and WHO guidelines.
What is the difference between a drug and a nutraceutical?
A drug is a substance intended to diagnose, cure, mitigate, treat, or prevent disease (regulated as a drug under D&C Act). A nutraceutical is a food or part of a food that provides health benefits beyond basic nutrition, including prevention and treatment of disease. Nutraceuticals are regulated as food supplements, not drugs — different regulatory pathway, lower barrier to market entry.
What is Biopiracy?
Biopiracy is the unauthorized appropriation of traditional knowledge and biological resources of developing countries by individuals or corporations, often through patent claims. Famous Indian examples: (1) Turmeric patent (US Patent 1995 — wound healing use of turmeric, revoked 1997 after India proved prior art). (2) Neem patent (European Patent — fungicidal property, revoked 2005). India created the Traditional Knowledge Digital Library (TKDL) to document and protect traditional knowledge from biopiracy.