The filtrate was then loaded on the anion exchange column and allowed the solution to pass through the column with a flow rate of 1.5 ml/min until finished. The column was then eluted with methanol until the green pigments were washed out
The filtrate was then loaded on the anion exchange column and allowed the solution to pass through the column with a flow rate of 1.5 ml/min until finished. The column was then eluted with methanol until the green pigments were washed out