To our knowledge, this is the first report indicating the use of AC to isolate CGA from green coffee grains.
The aim of this work was to compare six methods of extraction
and isolation of CGA from green coffee beans, in order to find the
simplest and the most environmentally friendly to be used as a
previous step to simplify CGA fractionation. The example of 5-CQA
purification from the CGA mixture is given. To our knowledge, this
is the first report indicating the use of AC to isolate CGA from green
coffee grains.