From: Validated high-performance thin-layer chromatographic analysis of curcumin in the methanolic fraction of Curcuma longa L. rhizomes
Standard
Amount added (%)
Amount recovered (%) mean
SD
RSD
Curcumin
50
97.48
1.65
1.69
100
99.45
1.12
1.13
150
98.15
1.67
1.68