Research Article

Development and Validation of HPTLC Method for Simultaneous Estimation of Diosgenin and Quercetin in Fenugreek Seeds (Trigonella foenum-graceum)

Table 3

Precision by the proposed HPTLC method for diosgenin and quercetin.

CompoundConcentration
(ng per band )
Precision, as RSD (%)
IntradayInterday

Quercetin 2000.961.10
4001.040.80
9000.821.06

Diosgenin 1001.270.96
2501.151.30
4501.140.96