S-4 Pharmacognosy & Phytochemistry I - Free notes

Pharmacognosy & Phytochemistry I Notes (S-4)

Pharmacognosy & Phytochemistry I Notes

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Pharmacognosy & Phytochemistry Introduction

Unit 1

Pharmacognosy: Sources, Classification, and Quality Control

Unit I introduces Pharmacognosy, its definition, history, and scope. It covers drug sources (plant, animal, marine), organized/unorganized drugs, drug classification methods, adulteration, quality control, and quantitative microscopy techniques like lycopodium spore method and leaf constants.

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Unit 2

Conservation and Cultivation of Medicinal Plants

Unit II focuses on the cultivation, collection, processing, and storage of drugs of natural origin. It highlights factors affecting medicinal plant cultivation, the role and application of plant hormones, and techniques like polyploidy, mutation, and hybridization in enhancing medicinal plant quality and yield.

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Unit 3

Plant tissue culture

This Unit III covers plant tissue culture, including its historical development, types of cultures, and nutritional needs for growth and maintenance. It also explores applications in pharmacognosy, such as the production of bioactive compounds and the development of edible vaccines.

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Unit 4

Role of Pharmacognosy and Secondary Metabolites

Unit IV highlights the role of Pharmacognosy in allopathy and traditional systems like Ayurveda, Unani, Siddha, Homeopathy, and Chinese medicine. It also introduces secondary metabolites, including their definition, classification, properties, and identification tests for alkaloids, glycosides, flavonoids, tannins, volatile oils, and resins.

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Drugs of Natural Origin in Pharmacognosy & Phytochemistry

Unit 5

Drugs of Natural Origin: Plant, Marine, and Primary Metabolites

This unit studies natural-origin drugs including plant fibers (cotton, jute, hemp), hallucinogens, teratogens, and allergens. It covers primary metabolites like carbohydrates, proteins, enzymes, and lipids, along with marine drugs and their pharmaceutical uses.

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