Compounds
Linear regression equation for peak area
R
2
Concentration of the sample (mg g
-1
dry extract)
Bis-demethoxycurcumin
y=97776×-508278
0.9994
20.17
Demethoxycurcumin
y=98196×-378701
0.9999
15.42
Curcumin
y=105570×-2E+06
0.9989
48.43
Table 2:
HPLC analysis of the methanol extract of turmeric (
Curcuma longa
).
