In order to investigate the effects of fungal elicitor and macroporous adsorption resin on shikonin accumulation in hairy roots of arnebia euchroma (Royle) Johnst, we used spectrophotometry to determine the total naphthoquinone content of the hairy roots, by adding different volume ratio of
OBJECTIVE
To purify caffeic acid tetramer (CAT) with macroporous resin on the basis of its fundamental physicochemical stability research.
METHODS
The changes of CAT content were compared by HPLC method before and after the purification process, or while other conditions were altered.
RESULTS
LK001
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