Page 102 - Pharmacognosy-I (02-06-06-102)
P. 102

These constituents comprise about 99% on the oil, but they do
not account for the characteristic fresh fruity note of clove oil.
This is due to several minor constituents especially methylamyl
ketone. Volatile oil of clove is heavier than water because it
contains high percentage of oxygenated compounds.
2- 10-13% hydrolysable tannin.

                                                      OH
                                                                     OCH3

                                                      CH2CH = CH2

                                         Eugenol

Uses:
      Clove is used as carminative and flavouring agent. Almost

65% of the world supply of cloves is smoked, ground and mixed
with tobacco in cigarettes.

      Oil of clove is used in dentistry as local analgesic. It is
commonly sold in the retail pharmacy as a toothache remedy.
Clove oil is also employed as a flavouring agent, an antiseptic
and a carminative.
Tests for Identity:

   1- Extract a little of powdered clove with water, filter, to the
      filtrate add few drops of ferric chloride T.S., a deep blue
      colour is produced.

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