From: Amino acids in sandal (Santalum album L) with special reference to cis-4-hydroxy-l-proline and sym. homospermidine
Sample
Rf values
Butanol-acetic acid–water system
Phenol–KCl:HCl system
Fraction 1
0.11
0.01
Fraction 11
0.78
0.65
Hydroxy proline
0.51
0.52
Proline
0.68
0.66
γ-Hydroxy glutamate
0.32
0.19