Textbook of Pharmacognosy and Phytochemistry by Biren Shah, Avinash Seth

By Biren Shah, Avinash Seth

Textbook of Pharmacognosy and Phytochemistry

This finished textbook is essentially aimed toward the direction standards of the B. Pharm. scholars. This e-book is particularly designed to impart wisdom substitute structures of medication in addition to glossy pharmacognosy. it'll additionally function a worthy source of data to different allied botanical and substitute healthcare technological know-how scholars in addition to researchers and industrialists operating within the box of natural technology.

Only Textbook Offering...

Recent info on exchange of Indian medicinal vegetation (till 2008)

Illustrated biosynthetic pathways of metabolites in addition to extraction and isolation methodologies of medicinal compounds

Bioactivity choice and synthesis of natural items of human interest

Information on Ayurvedic crops and chinese language method of medicine

Simple narrative textual content that might aid the scholars fast comprehend very important concepts

Over three hundred illustrations and one hundred twenty tables for you to support scholars memorize and keep in mind important techniques making this booklet a student’s better half cum teacher

A needs to purchase for each pupil of pharmacognosy!

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Example text

He is called father of botany. Several of the names mentioned by him in his treatise, ‘De Historia Plantarum’ was later taken up by Linnaeus in his system of classification. A. P. de Tournfort (1658–1708) carried further the promotional work on genus. He had a clear idea of genera and many of the names used by him in his Institutions Rei Herbariae (1700) were adopted by Linnaeus. Tournfort’s system classified about 9000 species into 698 genera and 22 classes. This system although artificial in nature was extremely practical in its approach.

40 TEXTBOOK OF PHARMACOGNOSY AND PHYTOCHEMISTRY Nucleolus Prophase Chromatin Prometaphase Nucleus Chromatids of chromosome Centromere region Developing spindle Centrioles Nuclear envelope Nuclear envelop breaks down Aster Nucleus Daughter chromosomes Metaphase Telophase Anaphase Fig. 15 Phases of mitotic cell division Anaphase In anaphase, chromatid halves move away equatorially at two opposite poles with the tractile fibres. The chromatid separates completely from each other. The spindle undergoes maximum elongation to facilitate separation of diploid chromatids.

Rosettes crystals—Stramonium, senna, cascara, rhubarb. 5. Bundles of acicular crystals—Squill, ipecacuanha. The sections to be examined for calcium oxalate should be cleared with caustic alkali or chloral hydrate. These reagents very slowly dissolve the crystals, so the observation should be made immediately after clearing the section. The polarizing microscope is useful in the detection of small crystals. Mount the cleared section or powder in the following reagents and observe the crystals. 1.

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