LIQUORICE

Biological Source

Plant Part – Peeled and un peeled stolons, root and stem

Scientific Name – Glycyrrhiza glabra

Family – Leguminosae

Morphology

Odour: Characteristic  

Taste: Sweet

Shape: Cylindrical

 

Chemical Constituents

*       Saponin glycoside: Glycyrrhizin and glycyrrhizin acid

*      



Coumarin derivatives – Umbellirerone  

 

 

Chemical Tests

Salkowski test

 

few drops of con. H2SO4 + liquorice powder

¯

Reddish Brown colour

liquorice contains glycyrrhizin

Uses

1.      Demulcent and Expectorants

2.     Tonic

3.     Laxative

4.     Diuretic

5.     Anti-inflammatory

6.     Cough, peptic ulcer treatment

 


SENNA

Biological Source

Plant Part –  dried Leaflets

Scientific Name – Cassia senna

Family – Leguminosae

 

Morphology

Taste: Characteristic

Odour: Slight

Taste: Mucilaginous, unpleasant

Shape: Lanceolate, Bases are asymmetric

 

Chemical Constituents

Aloe-emodin, Glycosides

Sennosides A, Sennosides B, Sennosides C, Sennosides D


Calcium Oxalate Etc.


 

Chemical Tests

Borntrager’s Test

3 ml Benzene + 5ml NH3 (10%)

+

3 ml of extract of senna

¯

Pink, violet/ red colour in NH3 layer

Sennoside present

Magnesium Acetate test

Ether extract of herb + methanolic magnesium acetate

¯

Pink colour in Daylight /

Pale green/orange in UV

Sennoside present

Uses

1.      Laxatives

2.     Diuretic,

3.     Used to treat gout, fever

4.     Treat pimples


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