After being kept open for 1 h, heat-treated turmeric (at
70, 80, 90 and 100 C for 30 min) showed higher values
of TPC which is significantly different from those of
fresh processed turmeric at 50 and 60 C. In the case of
heat-treated turmeric after drying (turmeric powder), a
significant reduction in TPC values was observed.