CALL US

+86 17838360708

alkaloids in plants slideshare

alkaloids in plants slideshare

Alkaloids in plants - SlideShare

2017-9-17  Alkaloids were orginally defined as pharmocologically active nitrogen containing basic compound of plant origin. Alkaloids share three principal characters 1.They are soluble in water. 2.They possess atleast one nitrogen atom. 3.They exhibits high biological activity. Alkaloids are basically nitrogen

get price

Plant Alkaloids - SlideShare

2017-12-29  Most alkaloids are well-defined crystalline substances which unite with acids to form salts.substances which unite with acids to form salts. In plants, they may existIn plants, they may exist in the free state,in the free state, as salts oras salts or as N-oxides.as N

get price

Alkaloids - SlideShare

2016-11-9  • Alkaloids occur in all plant parts, but are usually localized in one organ (e.g. the bark or seeds). • Within the plant, [alkaloid] can vary widely from part to part –some parts may contain no alkaloids. • Occasionally, different alkaloids also form in different parts of the plant.

get price

Alkaloids - SlideShare

2013-10-21  Origin, History, Introduction the term “alkaloid” (alkali-like) is commonly used to designate basic heterocyclic nitrogenous compounds of plant origin that are physiologically active. The term alkaloid ot Pflanzenlkalien was coined by Meissner, a German pharmacist, in 1819. The mankind has been using alkaloid for various purposes like poisons, medicines, poultices, teas etc. The French chemist,

get price

Alkaloids - SlideShare

2013-2-4  OPIUM gum opium milky exudate (air-dried) obtained by incising the riped capsule of Papaver somniferum opium poppy – plant source Alkaloids: 1. morphine – 4-12% 2. codeine – 0.8 – 2.5% 3. noscapine (formerly narcotine) – 4- 8% 4. papaverine – 0.5 – 2.5% 5. thebaine – 0.5-

get price

Alkaloids - pt.slideshare

41. Constituents: Contains 14 alkaloids which LOBELINE is the major and most important. It has a pungent, volatile oil, resin, lipids, and gum. Lobeline, (-) – lobeline or alpha lobeline This occurs as colorless crystals which are slightly soluble in water but readily soluble in hot alcohol. 42.

get price

Alkaloids lecture 1 (Introduction) - pt.slideshare

Definition: Alkaloids, which means alkali-like substances, are basic nitrogenous compounds of plant or animal origin and generally possessing a marked physiological action on man or animals. The nitrogen is usually contained in a heterocyclic ring system and it mainly derived from amino acids. 4. • Function of alkaloids in plants 1.

get price

Alkaloids - SlideShare

Distribution and occurrence:Distribution and occurrence: Rare in lower plants.Rare in lower plants. Dicots are more rich in alkaloids thanDicots are more rich in alkaloids than Monocots.Monocots. Families rich in Alkaloids: Apocynaceae,Families rich in Alkaloids: Apocynaceae, Rubiaceae, Solanaceae andRubiaceae, Solanaceae and Papaveracea ...

get price

PPT – alkaloids PowerPoint presentation free to view ...

Isoquinoline alkaloids - Isoquinoline alkaloids 1-Benzyl isoquinoline type: Papaverine: An opiate alkaloid isolated from the plant Papaver somniferum and produced synthetically. PowerPoint PPT presentation

get price

Alkaloid: Function, Properties and Classification of

2 天前  Alkaloids are derived from plant sources, they are basic, they contain one or more nitrogen atoms (usually in a heterocyclic ring) and they usually have a marked physiological action. Function of alkaloids: The purpose of existence of alkaloids in plant i.e. their functions in plants is uncertain.

get price

Alkaloids - pt.slideshare

41. Constituents: Contains 14 alkaloids which LOBELINE is the major and most important. It has a pungent, volatile oil, resin, lipids, and gum. Lobeline, (-) – lobeline or alpha lobeline This occurs as colorless crystals which are slightly soluble in water but

get price

Alkaloids lecture 1 (Introduction) - pt.slideshare

Definition: Alkaloids, which means alkali-like substances , are basic nitrogenous compounds of plant or animal origin and generally possessing a marked physiological action on man or animals. The nitrogen is usually contained in a heterocyclic ring system and it mainly derived from amino acids. 4. • Function of alkaloids in plants 1.

get price

Alkaloids - SlideShare

Most alkaloids are well-defined crystalline substances which unite with acids to form salts. In plants, they may exist in the free state, as salts or as N-oxides. Occur in a limited number of plants. Nucleic acid exists in all plants, whereas, morphine exists in only one plant

get price

Alkaloids ppt - SlideShare

Alkaloids ppt 1. Presenter: MAHEYA MIDHAT KHAN Department Of Pharmacy Jinnah University For women, Karachi. 2. the term “alkaloid” (alkali-like) is commonly used to designate basic heterocyclic nitrogenous compounds of plant origin that are

get price

PPT – alkaloids PowerPoint presentation free to view ...

Alkaloids (Lecture 5) - Alkaloids (Lecture 5) By Ms. Tehseen Quds Learning Objectives At the end of this lecture students will be able to: Identify Opium and their alkaloids. PowerPoint PPT presentation free to view. Medicinal plant and Medicinal plant materials that contain quinolisidine and isoquinoline alkaloids - Medicinal plant and ...

get price

Alkaloids - univie.ac.at

2014-4-4  Alkaloids are produced by a large variety of fungi, plants, and microorganisms; metabolic routes to alkaloids greatly vary. Many alkaloids have pronounced biological and pharmacological properties and are used as medications or recreational drugs. The history of alkaloids dates back to the beginnings of modern chemistry (or even further).

get price

ALKALOIDS AND THEIR BIOSYNTHESIS - EOLSS

2019-10-6  Alkaloids, first discovered in the beginning of the 19th century based on the examination of plants used in traditional medicine, have evolved to become a class of natural products of exceptional taxonomic and structural diversity, and of substantial chemical, biological, and therapeutic significance.

get price

Alkaloids Basicmedical Key

2016-7-18  2 Alkaloids often occur in plants in association with characteristic acids—for example, the tropane alkaloids of the Solanaceae and Erythroxylaceae are esters, the cinchona alkaloids occur with quinic and cinchotannic acids, opium alkaloids are associated with meconic acid. In some cases the alkaloids

get price

CLASSIFICATION OF ALKALOIDS - Pharmacognosy

2012-7-7  2 CLASSIFICATION OF ALKALOIDS. The alkaloids, as an important and enormously large conglomerate of naturally occurring nitrogencontaining plant substances having very specific as well as most diversified pharmacological properties may be classified in a number of modes and means. Hegnauer* (1963) conveniently classified alkaloids

get price

alkaloid Definition, Structure, Classification ...

alkaloid, any of a class of naturally occurring organic nitrogen-containing bases.Alkaloids have diverse and important physiological effects on humans and other animals. Well-known alkaloids include morphine, strychnine, quinine, ephedrine, and nicotine.. Alkaloids are found primarily in plants and are especially common in certain families of flowering plants.

get price

Alkaloids - pt.slideshare

41. Constituents: Contains 14 alkaloids which LOBELINE is the major and most important. It has a pungent, volatile oil, resin, lipids, and gum. Lobeline, (-) – lobeline or alpha lobeline This occurs as colorless crystals which are slightly soluble in water but

get price

Alkaloids - SlideShare

Most alkaloids are well-defined crystalline substances which unite with acids to form salts. In plants, they may exist in the free state, as salts or as N-oxides. Occur in a limited number of plants. Nucleic acid exists in all plants, whereas, morphine exists in only one plant

get price

Alkaloids - SlideShare

Distribution and occurrence:Distribution and occurrence: Rare in lower plants.Rare in lower plants. Dicots are more rich in alkaloids thanDicots are more rich in alkaloids than Monocots.Monocots. Families rich in Alkaloids: Apocynaceae,Families rich in Alkaloids

get price

Alkaloids ppt - SlideShare

Alkaloids ppt 1. Presenter: MAHEYA MIDHAT KHAN Department Of Pharmacy Jinnah University For women, Karachi. 2. the term “alkaloid” (alkali-like) is commonly used to designate basic heterocyclic nitrogenous compounds of plant origin that are

get price

PPT – alkaloids PowerPoint presentation free to view ...

Alkaloids (Lecture 5) - Alkaloids (Lecture 5) By Ms. Tehseen Quds Learning Objectives At the end of this lecture students will be able to: Identify Opium and their alkaloids. PowerPoint PPT presentation free to view. Medicinal plant and Medicinal plant materials that contain quinolisidine and isoquinoline alkaloids - Medicinal plant and ...

get price

Alkaloids - univie.ac.at

2014-4-4  Alkaloids are produced by a large variety of fungi, plants, and microorganisms; metabolic routes to alkaloids greatly vary. Many alkaloids have pronounced biological and pharmacological properties and are used as medications or recreational drugs. The history of alkaloids dates back to the beginnings of modern chemistry (or even further).

get price

PowerPoint Presentation

2017-4-4  Most plants have not been examined for secondary compounds and new compounds are discovered almost daily. Plant Secondary Metabolites Secondary compounds are grouped into classes based on similar structures, biosynthetic pathways, or the kinds of plants that make them. The largest such classes are the alkaloids, terpenoids, and phenolics.

get price

ALKALOIDS AND THEIR BIOSYNTHESIS - EOLSS

2019-10-6  Alkaloids, first discovered in the beginning of the 19th century based on the examination of plants used in traditional medicine, have evolved to become a class of natural products of exceptional taxonomic and structural diversity, and of substantial chemical, biological, and therapeutic significance.

get price

CLASSIFICATION OF ALKALOIDS - Pharmacognosy

2012-7-7  (c) Pharmacological Classification Interestingly, the alkaloids exhibit a broad range of very specific pharmacological characteristics. Perhaps this might also be used as a strong basis for the general classification of the wide-spectrum of alkaloids derived from the plant

get price

General Methods of Extraction and Isolation of Alkaloids

2012-7-7  The general methods of extraction of alkaloids from the plant sources solely depend upon the purpose and scale of the operation (e.g., pilot scale or commercial scale).It is also based on the quantum and bulk of the raw material to be employed in

get price