Synonym : Withamia root , Aswagandha .
Biological source : It consist of dried root and stream bases of
Withamia somnifera
Scientific name : Withamia somnifera
Family : Solanaceae .
Geographical distribution : It is found in India , Affrica , Srilanka ,Isreil
etc
Organoleptic/ Morphological evaluation :
i) Colour - Greyish-yellow .
ii) Odour - Faintly pungent and characteristics .
iii) Taste - Mucillagineous , Bitter .
iv) Size - Length- 10 to 17 mm
Width – 6 to 12 mm
v)
Shape - Conical , Straight , Unbranched .
vi) Extra feature -
Center of the root is creamy and consist of soft ,
solid mass
with scattered pores .
Chemical Constituents :
( I ) Steriodial Alkaloids
a) Anaferin
b) Withanine
c) Tropine
d) Anahygrine
e) Cusohygrine
.
f)
Isopelletirine .
g) Choline
.
( II ) Steroidial Lactones
a) Withanalides
b) Withthaferin
.
c) Withanone
.
Chemical Test :
( I ) Dilute KMnO4 + drop of aqueous extract
↓
Decolourisation of KMnO4 solution
( II ) Aqueous extract + 5% Fecl3 ( ferric-chloride
)
↓
No
darkening
Therapeutic Uses :
i)
It has sedative and hypnotic effect .
ii)
It is used as hypotensive and depressant
iii)
It is used in the treatment of Rheumatism , Gout and
Skin disease .
iv)
It is also used as a tonic and anti-tumor drug .
v)
It is used as Sex-stimulant .
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