Page 158 - Pharmacognosy-II (06-PG 303)
P. 158

Uses:
   • Stimulant laxative but it causes gripping effect (carminative or
       antispasmodic drug is used).
   • Antiseptic and antibacterial.
   • The fresh juice is used to heal burns
   • Tincture benzoin co: mixture of Benzoin, Aloes, Storax and Tolu balsam.
       Uses as antimicrobial for respiratory disorders.

                                   Aloe gel

Preparation: after extraction of the juice, the upper parts of the leaves are cut to
remove the v.b., the lower parts of the leaves are squeezed to obtain the gel. Or
by separation the gel layers (deprived of the vascular bundles) and squeeze it.
Constituents

   • polysaccharide composed of rhamnose, mannose, galactose, glucose and
       arabinose.

   • Acemannan: a highly acetylated mannan polysaccharide.
   • A protease inhibitor bradykinase.
Uses
   • Topically: largely used in cosmetics as moisturizing and revitalizing.
   • Increase wound healing for burn, so incorporated in sunscreens.
   • Enhance permeation of some water soluble poorly permeable compounds

       PENETRATION ENHANCER FOR TRANSDERMAL DELIVERY
   • Internally: the diluted gel soothes gastric ulcer.
   Acemannan has antiviral and cytotoxic actions.

                                                      152
   153   154   155   156   157   158   159   160   161   162   163