The invention discloses a method of increasing extracts 100E taken from cellular plant tissue 100 comprises the steps of placing prepared cellular plant tissue 100 in a container 114; introducing a fluid 101 into the container 114 to wet and immerse the prepared cellular plant tissue 100; and emitting acoustic shock waves 200 into the fluid 101 immersed cellular plant tissue 100 to increase the extracts 100E released by the plant tissue 100 into the fluid 101 and a product made from the method, the product being a beverage, medicine or drug.