Wednesday, October 1, 2014

Datura

Synonym                                              :           Datura Herb .

Biological Source                                  :           Datura consist of dried leaves and flowering
                                                                         -  tops of Datura Metal

Scientific Name                                    :           Datura metal  .

Family                                                  :           Solanaceae.

Geographical Distribution                      :           India ,

Organoleptic Characters :
                        i) Colour                       :           Pale green .
                        ii) Odour                      :           Charecteristics and disagreeable
                        iii) Taste                       :           Unpleasantly bitter .
                        iv)  Length                    :           8 to 25 cm
                        v)   Width                     :           7 to 15 cm
                        vi) Texture                    :           Thin and minutely hairy . Upper epidermis
                                                                         is darker from lower epidermis .
                       vii) Apex                       :           Acuminate
                      viii) Base                        :           Asymetrical
                        ix) Margin                     :           Sinuate dentate
                        x)  Petiole                     :           Long
                        xi) Venation                  :           Reticulate.

Chemical constituents – Mainly consist of alkaloids ( upto 0.5% )

Scopolamine – Hyoscyamine is the main alkaloids . Hyoscyamine and atropine present in
                         the minor quantitative test .

Uses : Parasympatholytic with anticholinerger and C.N.S depresent effect . It also used as
            mydriatic , antispasmodic and cerebral sedative and also used in motion sickness ,

            gastric of duodenal ulcer   

SENNA Leaf

Synonym   : Indian Senna , Tinnevelly Senna , Sonamukhi etc .

Scientific  Name: Cassia Angustifoila .

Family : Leguminosae                                      

Biological Source/Geographical Distribution :     
          It consist of dried leaflets of Cassia Angustifolia belonging to the family Leguminosae and contains not less than 2% of glycosides calculated as Sennoside B .

Macroscopy:
          a) Apex      :        Acute and Sharp spine.
          b) Margin     :         Extract.
          c) Veins       :         Reticulate. Anastomosing towards the margin.
          d) Lamila     :         Entire flat cracks .
          e) Base        :         Asimetrical .
          f) Shape       :         Lanceolate

Organoleptic/ Morphological Evaluation
a)    Colour  : Yellowish Green .
b)    Odour    : Slight.
c)    Taste      : Bitter and Nucilaginious  .
d)    Size       : 2-5 cm in Length and width is 7 – 8 mm .

Chemical Constituents : The chief chemical constituents are                                     
i) Sennoside A ii) Sennoside B
     
They are Crystaline in nature , Other chemical constituents are Napthaline , Glycoside , Anthraquinone Glycoside like Emodine , Anthranol , Aloe- Emodine etc .
 Phytosterol , Resin ,  Mucilage and Calcium Oxalates arte also present . 

                  

Structure



Chemical / Identification Test

          Born Trager Test -  It is  a test for Anthraquinone Glycoside .
          
       Boil the leafs with diluted Hydrozen Sulfuric Acid (       ) . Add immisable organic solvent ( Benzene Carbon Tetra Chloride ) . Shake the test tube and separate upper organic solvent in another test tube . Now add streong Ammonia solution . Shake slightly and keep the test tube Asite . Ammonical layers show pink or red colour . 

Theraputic Use          
i)                    Irritant Purgative in constipation
ii)                   It is belived that gripping effect caused by Senna is due to its Resin and Emodin content  .

Preparartion – Ingridiant of the compound Liquorice Powder .

Microscopic Character of Powder drug
a)      Epidermal Cell – Poygonal Straight wall with parasitic stomata .
b)     Covering Trichomesol – Unicellular acute apex narrow numenconical     
                                                                        shape.
c)      Xylame Vessels – Angular thickening  Lipified .
d)     Calcium Oxalate -  Crystal isolated or in peerenchymata cell .


Difference between Indian Senna and Egypthian Senna

Indian Senna
Egypthian Senna



Shape – Lanceolate
Shape – Pale
Size- 7 to 8 mm
Size – 7 to 12 mm .
Length – 25 to 60 cm
Length- 2 to 4 cm .


RHUBARB

Synonym                                  :           Rheum , Rhizome , Rhei .

Biological Source                      : It consist of dried rhizome of
i)                    Rheum-Emod-wall ( Indian Rhubab)
ii)                   Rheum-palmatum

Scientific name              : Rheum-Emod-wall ( Indian Rhubab) , Rheum-palmatum

Family                          : Polygonaceae .

Geographical distribution           :  It is obtained from South east china , Tibet , korea ,
                                                    Kashmir , Sikkim , West-Germany .

Organolepti/ Morphological/Macroscopical character
                        i)    Colour        - Ground /  Yellow
                        ii)   Odour        - Charecteristics .
                        iii)  Taste          - Bitter and Astringent .( Sour with bitter taste).
                        iv)  Size            -  Pieces of Rhubarb are 2-20cm in length and 1.5-2 cm in
                                                      diameter.
                        v)  Shape          -  Rhizomes are sub-cylindrical , barrel-shaped , conical .

Chemical Constituents : It contains anthraquinone – glycoside , Aloe-emodin , Emodin ,

                                        Rhein , Cinnamic acid , Gallic acid , anthrone , tannin etc.

Identification Test

a)      By addition  of Ammonia – it gives pink-colour .
b)      With 5% KOH ( Pottassium Hydroxide) blood red colouration is produced .
c)    Born Tagger Test - It is  a test for Anthraquinone Glycoside .
          
       Boil the leafs with diluted Hydrozen Sulfuric Acid (       ) . Add immisable organic solvent ( Benzene Carbon Tetra Chloride ) . Shake the test tube and separate upper organic solvent in another test tube . Now add streong Ammonia solution . Shake slightly and keep the test tube Asite . Ammonical layers show pink or red colour .   

Therapeutic Use :
i)                    It is used as purgative , better-stomachie( an agent that improves appetite & digestion ) in the treatment of Diarrhoea .
ii)                   It contains Tannins and hence it is associated  with theb Astringent ( Drug causes contraction of body tissues and canals ) effect after purgation ( cleaning or evacuation of bowel or stool by a purgative ) .  


ISAPGOL

Synonym                                  :           Isapghula , Flea-seed , Isabgul .

Biological source                      :           It consists of dried seeds of the plant known as
                                                             Plantago ovata .

Scientific Name                        :           Plantago ovata .

Family                                      :           Plantaginaceae .

Geographical distribution           :  It is cultivated in India ( Gujrat , Maharastha & Punjab ) ,
                                                   France , Spain etc .

Organoleptic/Morphological/ Macroscopical Evaluation :

                        i)   Colour         -           Pinkish Grey / Brown .
                        ii)  Odour         -           Nil .
                        iii) Taste           -           Mucilaginous and Bland .
                        iv) Size -           10-35 mm in length and 1-1.75 mm in width .
                        v)  Shape          -           It is Ovate ( 1000 seeds weight is about 1.5gm)

Chemical Constituents :
i)                    It contains mucilage which is present in the epidermis of the seed .
ii)                   Chemically it consist of Pentosan and Aldoblonic-Acid.
iii)                 The product (Pentosan and Aldoblonic-Acid.) on hydrolysis are L-arabinose , L-rhamnose , D-galactose , D- galactouronic-Acid .
iv)                 The seeds also contain fish-oil , glycoside , sugar and proteins .

Identification Test :

( I )    Swelling-factor → is supposed to be criterian of purity of the drug . Swelling-factor
          of the drug is a quantative swelling due to mucilage present in the drug . It is
          determined by putting 1gm of the drug in the measuring-cylinder ( 25ml capacity )
          in 20ml water with occational shaline . The volume occupied by the seeds after  
          24-Hrs of the swelling is measured . Swelling factor for seeds is 10-40ml .

( II )  Outer epidermis of the seeds is stained pink with a solution of Rhuthenium red due
          to presence of mucilage








Therapeutic Use :

i)                    It is used as Demulant ( soothes , inflamed or injured skin ) , laxative , emollient , and in the treatment of Chronic-Constipation , Amoebic-dysentry .
ii)                   The crust seeds are used in the form of poul-tice , rheumatic-pains .

iii)                 It is used in the preparation of tablets and also as a stabilizer in the ice-cream industry .  

CASTOR OIL

Synonym                                              :  Olium Ricini .

Occurance/ Biological Source               :  Castor oil is the fixed-oil obtained from the seeds
                                                                of Ricinus Communis .

Scientific Name                                    :  Ricinus Communis .

Family                                                  :  Euphorbiacea .

Geographical Distribution                      :  About 90% of the oil comes from India and Brazil
                                                               It is also cultivated in China , Thiland , Soviet
                                                                  -  Union .

Organoleptic / Morphological / Macroscopical Evaluation :
           
            i)  Colour          :  Pale-yellow / Almost colourless lipid .
            ii) Odour          :  Slight or Characteristics .
            iii) Taste           :  First it is bland ( mild or having a  soothing effect ) but
                                       afterwards slightlt acrid ( bitter , burning , irritating ) and usually
                                        nauseating ( Increase vomiting tendency ) . It is a viscous
                                        transparent .
            iv) Solubility      : It is soluble in alcohol , miscible in chloroform , solvent ether ,
                                       glacial acetic acid and petroleum-ether .
                                             It is insoluble in mineral-oil .

Chemical Constituents :  Castor-oio chiefly contains triglyceride of Ricinoleic-acid
                                         ( About 80%) . Other glycosides are also present in the drug .
                                          The fatty acids are representated by Isoricinoleic , Linoleic ,
                                          Stearic , Isoistearic-acids . 

                                                The viscosity of Castor-oil is dude to Resinolic-Acid .
Identification Test : Add to the oil in an equal volume of Ethanol , clear liquid is obtained 
                                 On cooling at 0ֺc and on storage for 3 Hrs , the liquid remains clear
                                  ( Distinctiobn from other fixed-oil).







Therapeutic Use :

i)                    Castor-oil used as Purgative .
ii)                   It is used in abortificient( drug used to induce abortion ) paste and ricinoleic-acid is used in contraceptic creams and gellies .
iii)                 It is also used as an Emolliant ( having a softening and shoothing effect specially to skin ) in preparation of Lip-stick .
iv)                 The Castor-oil is used in the preparation of paints , enamel , ;polishes , varnishes , printing-ink etc.

ALOES

Regional Name / Vernical Name/Synonym – Ghritakumari , Musabbar

Biological Source – Aloe is the dried juice obtained from the leaves of the various   
                species of ALOE like –           i) Aloe-Peryi Baker ( Scotorine Aloe)
                                                             ii) Aloe-Vera ( Curacao-Aloe)
                                                            iii) Aloe-africana ( cape-Aloe) .
Family – Liliaceae

Geographical Distribution –Aloe is the indigenous to Eastern and Southern Africa and grown in Cape-colony . Zanzibar and Ilands of Socotra . It is also cultivated in Caribbean Ilands , Europe and many parts of India .

Organoleptic Evaluation
a)      Colour -  Depends upon the variety from which it is obtained . It is
                      dark-brown , brownish-black or black in colour .
b)      Odoud – Charecteristics .
c)      Taste – Intensly bitter .
d)      Size – It is found in the form of masses of Various size.

 * Morphology of Cape-Aloe :- Dark brown or greenish brown or glossy mass . Masses are  
                                                                transparent , when mounted in the Glycerin , the crystal            
                                                                particles are observed . Fracture is glossy .
* Morphology of Curacao-Aloe :- Colour is dark chocolate brown , usually opaque . Fracture is waxy .
                                                          
 * Morphology of Scotorine-Aloe :-Reddish black to brownish black opaque , smooth and  Conhoidal .  

Solubility( for 3-species) – It is entirely soluble in 60% alcohol and is  
                                            partly/partially soluble in water .


Main Chief chemical constituents  - Aloin .

                It is a mixture of Glycosides among which Barbaloin is the chief chemical constituents . Aloe also contain Isobarbaloin , β-Barbaloin , , Aloeemooidin and resin .

Identification Test :

Modified Born Tagger Test – To 0.1gm of the drug , 0.5% solution of Ferri chloride (     ) 2ml and dilute Hcl ( 2ml) , heat on boiling water-bath for 5-minutes . Cool and shake gently with Benzene . Separate Benzene (     ) layer and add equal volume of dilute ammonia . A pinkish red colour is produced with varieties of Aloes .

Therapeutic Use :

i)                    Aloe is used as a purgative because of its intensely irritating  effect on the delicate mucosal lining .
ii)                   Aloe gel is used in cosmetics to prevent wrinkles .
iii)                 It is also used in the treatment of skin-irritations , burn caused by sun , heat or radiations .

Ephedra

Synonym                                              :  Ma- Huang , Ephedra .

Biological source                                  :  It consist of dried young steam of Ephedra sinica

Scientific name                          :   Ephedra sinica  .

Family                                                  :  Ephedraceae .

Geographical distribution                       :  It is found in China , Pakistan , Australia ,
                                                                North east-part of India .

Organoleptic / Morphological Evaluation :

i)  Colour                                  -  Brownish .
ii) Odour                                  -  Aggreable and Aromatic .
iii) Taste                                   -  Astringent and Bitter .
iv) Size                         -  Up-to 30cm in length .
v)  Shape                                  -  Cylindrical  .
            vi) Extra Features                     -  An Ephedra is found with arrangement of branches
                                                                and branchlets . The fruit are Ovoid , sweet and red
                                                                in colour .

Chemical constituents :. Ephedra consist about 1 – 1.5% of total alkaloids of Ephedra ,
                                        calculated as Ephidrium . The different alkaloids of Ephedra are as
                                        follows :-
i)                    L- Ephedrine
ii)                   L- methylephedrine
iii)                 D-methyl iso ephedrine
iv)                 D-pseudoepidrine
v)                  Nor-epidrine
vi)                 Dimethyl-epidrine .



Therapeutic uses :

i)                    It is used as sympathomimetic in asthma .
ii)                   It is also used in Hay-fever .
iii)                 It used in Bronchities and whooping cough .

iv)                 It is used in Central Nervous System stimulant .