Analyte
Regression Equation
r
2
LOD (µg/mL)
LOQ (µg/mL)
1
Y =6.80e+004x – 4.89e+003
0.9997
0.01
0.03
2
Y = 8.63e+004x – 1.42e+004
0.9991
0.01
0.03
3
Y = 8.09e+003x – 1.18e+004
0.9991
0.01
0.03
4
Y =3.23e+004x + 1.21e+003
0.9996
0.05
0.1
Table 1:
Regression Equation, Correlation Coefficient (r
2
), Limit of Detection (LOD) and Limit of Quantitation (LOQ) for chemical constituents from rhizomes of
C. longa
L. using UPLC-UV method.