of an amylase filter 10 b is illustrated in fig1 b wherein a layer of starch 12 is sandwiched between two porous media sheets 11 a and 11 b porous media sheets 11 a and 11 b may be manufactured from similar materials as indicated above for amylase filter 10 a shown in fig1 a amylase filters 10 a and 10 b may be provided in form of separate filter sheets or as a continuous rolled strip provided in a form of a cassette fig2 schematically illustrates an implementation of a separation device 20 constructed in the form of a resin column separation device 20 is comprised of a vertical column comprising column inlet 21 a and an outlet 21 b having a passage in between a cross sectional portion of which is partially filled with a starch binder 22 in use an amylase comprising fluid not shown is introduced into device 20 via its inlet 21 a and it is forced to pass through the starch binder 22 towards outlet 21 b by force of gravitation or by pressure vacuum applying means not shown the fluid obtained at the outlet 21 b from which significant amylase portions were removed by the starch binder 22 may be collected into a receptacle not shown column 21 is preferably made from a type of plastic material but other suitable materials may be equally used the diameter of column 21 may generally be in the range of 3 to 10 mm preferably about 5 mm and its length is preferably about 4 10 cm the thickness of the starch binder 22 inside column 21 may be about 0 5 to 3 cm and it is preferably placed towards outlet 21 b of column 21 the lower section of column.