Page 103 - phytochemistry I - PharmD Clinical

The method is based on the formation of a solid, loose molecular
complex of cineole and phosphoric acid (H3PO4) by the lowering of the
freezing-point of the mixture, from which the cineole is regenerated by the
addition of hot water. The volume of cineole liberated is measured in
cassia flask.

2.8. perox ides:

Asca
ridol

e

Source: Chenopodium oil.
Uses:

 It is used as anthelmintic, particularly useful against hookworm and
roundworm.

 It serves in many medical and veterinary preparations.

Determination of ascaridole content:
The method is based on the oxidizing action of the peroxide on acidified
solution of KI and titration of the liberated iodine with sodium thiosulphate.

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