ABSTRACT
India, Pakistan, Nepal, and Sri Lanka, which has also
influenced medicine in Tibet, Burma, and Malaysia.
No doubt that synthetic drugs have played a vital
role in the enhancement of human living standards
during the past century; herbal medicine has regained
its momentum once again in recent years. Long-term
ailments cannot typically be cured by injection or
consumption of a single medicine. Instead of focusing
only on curing an illness, people are paying more
attention nowadays to improve the whole body im-
mune system so as to prevent the attack of diseases.
Besides their traditional pharmaceutical usage, herbs
have also become one of the important sources for
drug discovery and production. Herbal medicine
plays an important role in healthcare in many regions
of the world. The combined sales of herbal medicine
products in major markets around the world exceeded
US$12 billion in 1994, Table 26.1 [2]. According to
the report from Herbal Medical Database Ltd., the
US market for herbal medicines has been estimated to
