Synonym Barosmin.
Biological Source It
occurs in the dried Buchu leaves i.e.; various species of Barosma
crenulata, Barosma serratifolia and Barosma betulina belonging to
family Rutaceae. It has also been isolated from Serophularia nodosa,
Hyssopus officinalis, Mentha crispa, Mentha pulegium and from species of Conium,
Dahlia etc.
Description It occurs as
pale yellow needles.
Chemical Structure The
chemical structure of diosmin (5, 7, 3’-trihydroxy-4¢-methoxyflavone- 7-rhamnoglucoside)
is given below:
Disomin upon hydrolysis
yields rhamnose, glucose and the aglycone diosmetin.
Chemical Test A solution
of diosmin in concentrated sulphuric acid exhibits a slight
fluorescence.
Source: Pharmacognosy And Pharmacobiotechnology By Ashutosh Kar
Source: Pharmacognosy And Pharmacobiotechnology By Ashutosh Kar
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