Research Article

HPTLC Analysis of Solanum xanthocarpum Schrad. and Wendl., a Siddha Medicinal Herb

Table 2

Data showing different parameters analyzed for the reference compounds during the present study by using HPTLC.

Reference compoundLupeolOleanolic acidUrsolic acidβ-SitosterolCampesterolErgosterolWithanolide B

Working concentration (µg/band)2–102–102–102–102–102–102–10
Rf value0.840.470.360.640.740.900.64
Regression equationY = 2653 ∗ X + 1548Y = 3621 ∗ X − 969.3Y = 924.3 ∗ X − 155.1Y = 1308 ∗ X + 609.7Y = 2554 ∗ X + 214.4Y = 1652 ∗ X + 348.7Y = 470 ∗ X + 319.4
Correlation coefficient (r2)0.9980.9970.9970.9950.9930.9950.995
LOD (ng)407304578419928527488
LOQ (ng)12349219871272281315981479