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Table 2 Calibration curves for orientin, isoorientin and isovitexin and linearity parameters

From: Development and application of green and sustainable analytical methods for flavonoid extraction from Passiflora waste

Compound Equation R2 LOD (mg L−1) LOQ (mg L−1) Recovery (%) Intra-day error (%)
Orientin y = 6637.2x − 45232 0.9951 4.28 14.27 97.40–99.35 0.22–2.15
Isoorientin y = 8188.1x + 13382 0.9995 2.00 6.65 96.49–99.35 0.34–1.52
Isovitexin y = 8210.9x + 22235 0.9994 0.90 2.90 89.50–95.72 1058–3.86