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II- Drugs Containing Cardiac Glycosides - page 13 / 25

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Active constituents:

1.

Anthraquinone glycosides: sennosoides A and B (dianthrone type)

2.

Aglycones of free anthraquinones: rhein, aloe, emodin.

3.

Pectose type of mucilage.

Uses: laxative or purgative used in acute constipation and in case of:

Haemorrhoids, anal fissures, x-ray examinations, before and after abdominal surgeries.

Chemical tests:

Rhuthenium red: for mucilage

Modified Borntrager's test: for dianthrone glycosides gives rose red colour.

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