Effects of heat treatment on TPC of fresh turmeric rhizome
The benz of fresh turmeric, heat-treated turmeric and
sun-dried samples is shown in Fig. 2. The TPC of fresh
turmeric without any heat treatment just after grinding
(0 h) is higher than that of heat-treated (for 30 min) and
sun-dried samples. After keeping 1 h, TPC values were
significantly reduced (P < 0.05) from the 0 h values.