Jawaharlal Nehru Technological University Hyderabad B. Pharmacy IV HERBAL DRUG TECHNOLOGY Previous Question Paper (February-2022 - R17)

Good Agricultural and Collection Practices (GACP) are essential to ensure the quality, safety, and efficacy of medicinal plants. The primary goal is to minimize contamination and ensure consistent chemical profiles through standardized cultivation techniques.

Key aspects of Good Agricultural Practices (GAP) include:

• Site Selection: The cultivation site must be free from industrial, municipal, or agricultural contamination. Soil must be tested for heavy metals, pesticide residues, and microbial load to ensure it meets safety standards.
• Seed and Plant Material: Use of authentic, high-quality, and disease-free planting material is critical. Proper identification of the botanical species (genus, species, and variety) is mandatory to prevent adulteration.
• Cultivation Management: This involves optimal irrigation, soil fertility management, and weed control. Use of synthetic fertilizers and pesticides should be minimized or avoided, and if used, they must be applied according to strict safety protocols to prevent residues.
• Harvesting: Plants must be harvested at the peak of their active constituent concentration, which varies by species and plant part (e.g., roots, leaves, or flowers). Harvesting should occur under dry conditions to prevent post-harvest microbial growth.
• Post-Harvest Processing: Immediate cleaning, drying, and storage are required. Drying must be performed under controlled conditions (temperature and humidity) to prevent degradation of thermolabile active compounds and fungal contamination.

Organic farming in medicinal plants focuses on ecological balance and soil health without the use of synthetic inputs:

• Soil Fertility: Instead of synthetic fertilizers, organic farming utilizes green manure, compost, vermicompost, and bio-fertilizers (e.g., Rhizobium, Azotobacter) to enhance soil nutrient content and microbial activity.
• Pest and Disease Control: Integrated Pest Management (IPM) is employed, utilizing botanical pesticides (e.g., Neem-based formulations), biological control agents (predators or parasites), and crop rotation to manage pests naturally.
• Certification: Organic production requires strict adherence to international standards, including a conversion period for the land, buffer zones to prevent cross-contamination from neighboring non-organic farms, and meticulous record-keeping for traceability.

Adherence to these practices ensures that the final herbal drug is standardized, free from toxic residues, and maintains the therapeutic potency required for pharmaceutical applications.