Fresh corns were obtained from Paddy's Market in Sydney, New
South Wales, Australia, and waste corn cobs were separated from the
corn kernels. The corn cobswere cut into small pieces,washedwith distilledwater
and heated for 24 h at 100 °C inside an oven. Then theywere
ground and sieved to a size of 300–600 μm.
Fresh coconuts were also obtained from the same market and each
coconut was cut into two pieces. The coconut kernels were scraped
manually from these pieces and milk extracted by hand-squeezing as
much as possible. The residue was kept in an oven at 100 °C for 48 h.
The dried material known as copra was ground and sieved to 300–
600 μm.