Synonym : Kuchla ( Hindi )
Biological Source : It consist of dried ripe seeds of
Strychnos nuxvomica
Scientific Name : Strychnos nuxvomica
Family : Loganiaceae
Geographical Distribution : India ,
Organoleptic Characters :
i)
Colour : Grey or greenish grey
ii)
Odour : Odourless
iii)
Taste : Extremely bitter
iv) Length : 4 to 6 cm
v) Width : 10 to 30 cm
vi) Margin : Rounded Hilum
vii)Hilum : Raised
viii) Ridges : It
is present on testa
ix)
Surface : Hairy
x) Shape : Disc shaped , mearly flat ,
somewhat
irregularly bent
Extra feature -
Surface silky , radially arranged , densely covered , , unicellular
lignified ,
covering tnrichomes . Seeds are extremely hard .
·
Weight of 100 seeds are 120 to 208 gm .
Chemical constituents – It contains alkaloids ( 2.5 to 5% )
The
alkaloids are – (i) Strychnine (ii) Brucine etc .
It
contains glycosides like loganin , also contain fixed oil ( 2 to 4 % ) and also
contain protein
.
Uses : Bitter
stomachic , spinal cord stimulant and as a nerve tonic .
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