Figure 1From: Stress degradation studies and stability-indicating TLC-densitometric method of glycyrrhetic acid HPTLC Chromatogram of standard glycyrrhetic acid (1000 ng spot -1 ): peak 1 ( R f = 0.42 ± 0.03), mobile phase; chloroform: methanol: formic acid (9:0.9:0.1). Back to article page