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Cultivation of Drugs of Natural Origin
Introduction Cultivation of plants to get medicinal benefits from it requires intensive care and management. The condition and duration of cultivation is depending on quality of medicinal plant required. Cultivation involves precise control of various factors like rainfall, irrigation, fertilizers, pests, humidity, light and temperature. Proper cultivation helps to get better quality and purity of…
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Plant Growth Hormones and Their Functions
Introduction Plant requires light, water, oxygen and nutrition for proper growth and development. All these are the extrinsic factors. Plant also needs some intrinsic compounds to signal, regulate and control their growth and development. These intrinsic compounds are known as plant growth regulators or plant growth hormones or phytohormones. Plant growth hormones are organic chemical…
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Collection of Crude Drugs
Introduction Collection of crude drugs influenced by various factors like season, time, age of plants etc. Hence it is important to collect the crude drug during appropriate season or time period to get the maximum quality product from the source materials. The quantitative and qualitative concentration of active chemical constituent varies with the stages of…
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Pharmacognosy: Drug Adulteration and Drug Evaluation
Introduction The therapeutic potential of drugs obtained from natural sources has been recognised by humans for centuries. A rich history of traditional system of medicines gives in-depth knowledge about therapeutic uses of drugs of natural origin. Now a days also drugs of natural origin is popular because of minimum side effects compared to modern system…
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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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Traditional Systems of Medicine
Traditional Systems of Medicine Traditional systems of medicine includes diverse health practices, approaches, knowledge and beliefs incorporating plant, animal, and/or mineral based medicines, spiritual therapies, manual techniques and exercises which can be used to maintain wellbeing, as well as to treat, diagnose or prevent illness. India is famous for its traditional systems of medicine like Ayurveda, Siddha,…
