Phytochemicals from medicinal plants are receiving ever greater
attention in the scientific literature, in medicine, and in the
world economy in general. For example, the global value of
plant-derived pharmaceuticals will reach $500 billion in the year
2000 in the OECD countries. In the developing countries,
over-the-counter remedies and "ethical phytomedicines," which are
standardized toxicologically and clinically defined crude drugs,
are seen as a... more...