DRUGS ACTING ON NERVOUS SYSTEM Pharmacognosy (herbal drugs)

 DRUGS ACTING ON NERVOUS SYSTEM

EPHEDRA

Synonyms:- Ma Huang.

Biological Source:-

Ephedra consists of the dried aerial parts of Ephedra gerardiana , Ephedra nebrodensis and other Ephedra species, belonging to family Ephadreaceae.

Chemical Constituents:-  Ephedra contains

·         Ephedrine

·         Pseudoephedrine 

 Uses:-

·         Ephedrine is antiallergenic,

·          antiasthmatic, 

·         antispasmodic,

·         decongestant, cough suppressant, stimulant and vasoconstrictor

OPIUM 

Synonyms:- Crude Opium; Raw Opium; Gum Opium

Biological Source:-

Opium is the air dried milky latex obtained by incision from the unripe capsules of Papaver somniferum , belonging to family Papaveraceae.

Chemical Constituents:-  Opium contains

·         morphine

·         papaverine 

·         noscapine

·         Codeine

 Uses:-

·         narcotic,

·         analgesic and sedative action

·         and used to relieve pain,

·         diarrhoea dysentery and cough

·         used as antispasmodic

DRUGS ACTING ON NERVOUS SYSTEM ( Herbal Drugs)

 TEA LEAVES

Biological Source:-

It contains the prepared leaves and leaf buds of Thea sinensis , belonging to family Theaceae.

Chemical Constituents:-  TEA contains

·         caffeine 

·         theobromine and

·         theophylline

Uses:-

·         It is used as stimulant,

·          astringent and

               also as diuretic.

COCA

Synonyms: - Coca, Cuca, Cocaine, Folium cocae, Peruvian coca. 

Biological Source:-                                                                                             

Coca consists of the dried leaves of various species of Eryth-mxylon, that is, Erythroxylon coca, belonging to family Erythroxylaceae.

Chemical Constituents: - Coca contains

·         Cocaine

·         Cocamine

·         Tropacocaine

Uses:-

·         Cocaine has stimulant action on CNS.

·          local anesthetic

·         minor local surgery of ophthalmic, ear, nose and throat

·         during convalescence, to relieve nausea, vomiting and pains of the stomach without upsetting the digestion

DRUGS ACTING ON NERVOUS SYSTEM ( Herbal Drugs)

 

DRUGS ACTING ON NERVOUS SYSTEM

HYOSCYAMUS

Synonyms:- Common Henbane, Hyoscyamus, Hog’s-bean, Jupiter’s-bean, Symphonica.

Biological Source:- 

Hyoscyamus consists of the dried leaves and flowering tops of Hyoscyamus niger., belonging to family Solanaceae. 

Chemical Constituents:- hyoscyamus contains

·         Hyoscyamine

·         Hyoscine

·         Scopolamine

Uses:-

·         used as antispasmodic

·         hypnotic and mild diuretic

·         relieve pain in cystitis

·         used to relieve the griping

 

Pharmacognosy of GUGGUL

 

GUGGUL

Synonyms:- Gumgugul, Salai-gogil. 

Biological Source:-

Guggal is a gum resin obtained by incision of the bark of Commiphora weightii , belonging to family Burseraceae.

Chemical Constituents: Guggul contains

·         Myrcene

·         Dimyrcene, polymyrcene

·         Guggulosterone

·         Guggulosterol

Uses

·         Used as an anti inflammatory.

·         used as an anti rhumetic

·         expectorant

·         carminative