Page 120 - Pharmacognosy 02-06203
P. 120
UNORGANIZED DRUGS
They are a mixture of chemical substances with no cellular structures. They are
obtained by different methods such as extraction, incision and expression from
animal or plant origin.
They are formed in plants by different methods, as decomposition products or
produced normally or pathologically due to stress conditions.
They are described based on their physical characters(color, odor, taste) in addition
to their chemical properties.
Classification of unorganized drugs
1. Latex.
2. Dried juice.
3. Extracts.
4. Gums.
5. Resins and resin combinations.
6. Sacccharin derivatives.
7. Lipids.
Dried latex
Latex is an oil in water emulsion or suspension. The aqueous phase is composed
of mineral salts, proteins, sugars, alkaloids. The oily phase is composed of oils and
resins. It is usually produced in laticiferous tissues .
118