posted on 2001-01-30, 00:00authored byDietmar Baumann, Sven Adler, Matthias Hamburger
An efficient protocol for the preparative purification of the major tea catechins (−)-epicatechin gallate
(3) and epigallocatechin gallate (5) has been developed, employing liquid−liquid partitioning, high-speed
countercurrent chromatography, and gel chromatography for final purification. The method is suitable
for scale-up to significantly larger quantities.