Figure 2From: Stress degradation studies and stability-indicating TLC-densitometric method of glycyrrhetic acid HPTLC Chromatogram of acid (5N HCl, reflux for 2h at 80°C) treated glycyrrhetic acid: peak 1, degradant ( R f = 0.08); peak 2, degradant (R f = 0.1); peak 3, degradant ( R f = 0.12); peak 4, glycyrrhetic acid ( R f = 0.42); peak 5, degradant ( R f = 0.64). Back to article page