Page 113 - Pharmacognosy 02-06203

Microscopical Examination:
(See The Practical) Powdered
drug:

(See The Practical)

Constituents:
1- Anthraquinone glycosides with the following aglycones:
chrysophanol, emodin, aloe-emodin and rhein.
2- Tannins.
3- Starch and calcium oxalate.

Chemical test:
Modified Borntrager`s test for Anthraquinone glycosides.

Uses:
1- Bitter tonic and stomachic.
2- Mild purgative (mild due to tannins).
3- In diarrhoea due to tannins.

2-Podophyllum

Constituents
- Podophyllum resin (change to the inactive form with alkalis).
- The resin is formed mainly of podophylotoxin

Uses
- Drastic purgative in moderate doses
- Anti-cancer.

3- Black Cohosh

It consists of the dried rhizomes and roots of Cimicifuga racemosa (L.)
Nutt. (Ranunculaceae).

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