Therefore, it can be assumed that the
rapid heating rate did affect the orientation and position of the double
helices in the crystalline lamellae. Furthermore,it enhanced
the strength of the hydrogen bonds in the amylopectin molecules,
which were maximised at 40 ◦C.It has previously been proposed
that the orientation of the polar group, OH, in starch molecules is
less hampered by chain segments when the temperature raised to
40 ◦C,