Comments on - Growth and characterization of organic nonlinear optical crystal: L-Valinium salicylate (LVS) [Optik 125 (2014) 2713-2715]

The slow evaporation of an aqueous solution containing L-valine and salicylic acid results in the fractional crystallization of salicylic acid and not any so called L-valinium salicylate as reported recently by Andal and Murugakoothan in the title paper.