A large number of natural products of pharmaceutical and medicinal importance are obtained from animal sources. Some of them are used as pharmaceutic necessities or excipients in pharmaceutical preparations and others are used as important drugs or as nutritional...
Balsams are mixtures of some resins and resinous substances. Their various physical and chemical characteristics very much similar to those of most resins and resin mixtures. The principal difference is that they contain larger proportions of cinnamic or benzoic...
Synonyms:
Myrrha, Gum Myrrh
Biological source:
Myrrh consists of the oleo-gum-resin obtained from the stem of Commiphora molmol Eng. and other species of Commiphora of the family Burseraceae.
Geographical source:
Myrrh is collected from the Commiphora plants growing in North-East Africa, particularly Somaliland, and...
Resins are regarded as end products of destructive metabolism. They occur in special ducts or cavities in plant tissues. When dry they are usually hard, transparent or translucent amorphous solids, which readily fuse upon heating. Chemically, they are complex...
Synonyms:
Tragacanth Gum, Tragacantha, Persian Tragacanth
Biological source:
Tragacanth is the dried gummy exudate obtained by incision from the stems of Astragalus gummifer Labill. and some other species of Astragalus of the family Papilionaceae.
Geographical source:
Astragalus species, which are thorny and branching shrubs,...