Extractive determination phenolic compound?

If I have a aqueous solution with 1 g of my plant and 50 mL of water ([] 2% or 20 mg/mL) how can I compare with a hydroalcoholic solution with 20 g of the plant + 200 mL of ethanol 70% ([] 10% or...

12 December 2017 6,307 2 View