Page 71 - phytochemistry I - PharmD Clinical
P. 71

Azulene is a non - benzenoid aromatic compound. The natural azulenes
are colored which vary in color from blue to violet or even green.

Guaiazulene
Blue needles, m.p. 31°C
Source: Geranium oil.

  - Dehydrogenation of V. O. of guaiacum.

 Vitavazulene
Violet needles, m.p. 33°C.
Source: Heating vetiver oil with sulphur.

Chamaz
 ulene

Source:  Chamomile oil (blue colored).

Uses: Chamazulene contribute to the in vivo
anti-inflammatory activity of chamomile,
and it has additional antioxidative effects.

                                                       ٦۹
   66   67   68   69   70   71   72   73   74   75   76