Page 350 - Pharmacognosy 2 PG303 (1)

Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D

Unorganized Drugs

Gums Dried Extracts Latex Juices Resins Resin combinations

Gums

Gum Arabic (Gum acacia) Gum Tragacanth
يبرعلا غمصلا هري ثكلا غمص
Shape

Tears Ribbon shaped flakes

Origin Is the dried gummy exudation obtained from the Is the dried gummy exudation obtained by incision
Stems and branches of Acacia Senegal from Astragalus gummifer
Family.Leguminosae (fabaceae) Family.Leguminosae (Fabaceae)

Description • Rounded or ovoid tears. • thin, curved, ribbon-shaped flakes. Occasionally
• Color: yellowish white spirally twisted linear pieces.
• Odor: odorless • Color: white
• Taste: mucilaginous • Taste: mucilaginous
• Texture: brittle • Texture: horny

Solubility • Almost completely soluble in water, giving • Sparingly soluble in water but swells into

adhesive solution adhesive gelatinous mass.
• Insoluble in alcohol • Insoluble in alcohol.
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