Extraction of Polyphenols from Browses

Weigh ................. of dried ....................... plant material and place in a glass beaker of approximately ............................... capacity. To it is added .......................... ml of ................................ and the beaker is suspended in .......................... and subjected to ........................... treatment for .......................... at ................. temperature. Teh contents of the beaker are then transfered to centrifuge tubes and subjected to centrifugation for ................... and approximately ................... 3000 g at 4oC.