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Preparative Chromatography Techniques - Applications in Natural Product Isolation (Paperback, Softcover reprint of hardcover 2nd ed. 1998)
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Preparative Chromatography Techniques - Applications in Natural Product Isolation (Paperback, Softcover reprint of hardcover 2nd ed. 1998)
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Over the past few years, increasing attention has been paid to the
search for bioactive compounds from natural sources. The success of
plant-derived products such as paclitaxel (Taxol) in tumor therapy
or artemisinin in the treatment of malaria has provided the impetus
for the introduction of numerous research programmes, especially in
Industry. A great deal of effort is being expended in the
generation of novel lead molecules of vegetable, marine and
microbial origin by the use of high throughput screening protocols.
When interesting hits are found, it is essen tial to have methods
available for the rapid isolation of target compounds. For this
reason, both industry and academia need efficient preparative
chromatographic separation techniques and experience in their
application. Purified natural products are required for complete
spectro scopic identification and full characterization of new
compo unds, for biological testing and for the supply of
pharmaceuti cals, standards, and starting materials for synthetic
work. Obtaining pure products from an extract can be a very long,
te dious and expensive undertaking, involving many steps. Sometimes
only minute amounts of the desired compounds are at hand and these
entities may be labile. Thus it is an advantage to have access to
as many different methods as possible in order to aid the isolation
process. Although a certain amount of trial and error may be
involved, nowadays there is the possibility of devising suitable
rapid separation schemes by a judicious choice of the different
techniques available."
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