Gelatinisation of starch is defined as the phase transition of
starch granules from an order to a disordered state in the presence
of water er, leading to an increase in the viscosity
of starch paste during heating at the early stage of RVA. In
this study, we hypothesized that the influences of rice storage proteins
on RVA pasting profiles between waxy rice flour and nonwaxy
rice flour would be different. The contribution of leached
amylose from waxy rice would be small due to its low content in
waxy rice flour. Therefore, the microstructural elements determining
the RVA pasting profile of heated waxy rice flour were governed
mainly by protein phase and the hydrated amylopectin;
while leached amylose would be additional element responsible
for the heated non-waxy rice flour paste.