As can be seen in Fig. 1, the induction time was reduced from 33
to 15 and 12 min, respectively, for Po, PoTp1 and PoTp2, suggesting
an increase in the crystallisation rate of the samples with added
tripalmitin.
The crystallisation behaviour of palm oil was changed by the
addition of tripalmitin, a triacylglycerol present in significant
amounts in some oils and in the stearin fraction of some fractionated
oils, causing anticipation of its crystallisation when subjected
to an isothermal condition.
The addition of 1% of monoacylglycerol to palm oil showed a
significant effect in reducing the induction time, as shown in
Fig. 1. The induction times decreased from 33 to 19 and 13 min,
respectively, for PoMp and PoMBe. The addition of MBe to Po
showed a greater decrease in induction time than when the same
proportion of MP was added.