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Pharmacognosy- Classification of Drugs
Introduction There are thousands of plant species used as medicine. The drugs used in Indian traditional systems of medicines are 90% based on plant sources. These drugs are considered to be safe, cost effective and having minimal side effects. To study the individual drug, from variety of drugs sources and their uses, one must use
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Organized and Unorganized Crude Drugs
Introduction The chemical substances from natural origin, either used directly or indirectly without modifying its chemical composition is called as crude drugs. Crude drugs mainly categorize in two main categories one is organised crude drugs and other is unorganised crude drugs. Organised crude drugs are the direct organs of the plant or animals for example,
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Pharmacognosy: History, Development, Scope and Sources of Crude Drugs
Introduction Pharmacognosy word is derived from two Greek words, pharmakon means drugs and gignosco means to acquire knowledge of something. The term pharmacognosy is first termed by German scientist Seydler (1815), in his work “Analacta Pharmacognistica”. Pharmacognosy is the systemic study of crude drugs obtained from natural origin like plant, animal and minerals. Pharmacognosy is
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Nucleic Acids: Structure, Classification and Biological Importance
Introduction Nucleic acids are the large biomolecules that store, encode and transmit genetic data from one generation to another in the form of DNA and RNA. Each functional unit of nucleic acid is called as nucleotide. Each nucleotide is made up of three parts: a phosphoric acid residue, a sugar and a nitrogen containing heterocyclic
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Proteins: Classification, Structure, Chemical Nature and Biological Importance of Proteins
Introduction Proteins are complex, naturally occurring polymers of amino acids held together by peptide bonds. They are crosslinked between chains by sulfhydryl bonds, hydrogen bonds and van der wall forces. Proteins have highly complex chemical composition than any other biologically active compound. Proteins are made up of 20 alpha amino acids. Proteins comes in many
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Lipids: Classification, Chemical Nature and Biological Importance
Introduction Lipids are fatty organic compounds which make up the building blocks of structure and function of cells of living organisms. Lipids are insoluble in water and soluble in nonpolar solvents. Like other biomolecules lipids also plays an important role in human life and other living organisms. Lipids serve various functions in biological systems, including
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Preformulation- Goals, Objective and Physicochemical properties of drug substance
Introduction to Preformulation Preformulation is first phase in the formulation of new dosage form a new drug substance. When new drug is discovered, it needs to be restructured into the appropriate dosage form to produce desired action at a particular site. Preformulation is a study of physical and chemical properties of the drug substance alone
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All India Institute of Ayurveda (AIIA)- Recruitment of Pharmacist 2024
All India Institute of Ayurveda (AIIA)- Recruitment of pharmacist post 2024 All India Institute of Ayurveda (AIIA) published latest notification for the recruitment of various non-teaching posts (pharmacist) by direct recruitment or deputation. The job location will be AIIA, New Delhi and its satellite centre at AIIA, Goa. All India Institute of Ayurveda (AIIA) is
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Carbohydrates: Introduction, Classification, Chemical Nature and Biological Importance
Introduction Carbohydrates or carbs are the biomolecules containing sugars, starches and fibres found in some foods. Chemically carbohydrates are polyhydroxy aldehydes or ketones, or compounds derived from their hydrolysis. Carbohydrates generally contain carbon, hydrogen and oxygen. The general formula for Carbohydrates is Cn(H2O)n. Where n is number of carbon atoms. Carbohydrates are also known as
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Impurities- It’s sources, Types and Test of Purity.
Impurities Impurities in pharmaceutical substances are the unwanted chemical substances in the active pharmaceutical ingredient (API) or developed during formulation or upon ageing of both API and formulation. In simple words, any component that is not a formulation ingredient is known as impurity. The presence of these impurities affects the safety and efficacy of the
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