Future Journal of Pharmaceutical Sciences

Table 1 Statistical parameter for linearity validation of curcumin

From: Validated high-performance thin-layer chromatographic analysis of curcumin in the methanolic fraction of Curcuma longa L. rhizomes

Parameters	Curcumin
Linearity range (ng/spot)	100–600
Retention factor (R_f)	0.37 ± 0.04
Correlation coefficient (r²)	0.9998
Slope	17.2
Intercept	907.9
LOD (ng/spot)	35
LOQ (ng/spot)	100
Scanning (nm)	420
Regression	Y = 17.2x + 907.9

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