TLC profile of wild type extract and callus white-purple varieties. Stationary phase: Silica GF254 Mobile phase: Toluene: Ethyl Acetate: Formic Acid: Water (3: 3: 1: 0.2).

DP1: leaf ethanol extract of white-purple varieties (wild type); BP1: stem ethanol extract of white-purple varieties (wild type); DP2: ethyl acetate extract of white-purple varieties (wild type); BP2: stem ethyl acetate extract of white-purple varieties (wild type); DP3: acetone extract of white-purple varieties (wild type); BP3: stem acetone extract of white-purple varieties (wild type).