Figure 6From: Bio-fabrication of gold nanoparticles using aqueous extract of red tomato and its use as a colorimetric sensorFTIR spectra of vacuum-dried powder of red tomato and GNP synthesized from aqueous red tomato extract. (A) FTIR spectra of vacuum-dried powder of red tomato (Lycopersicon esculentum) and (B) GNP synthesized from aqueous red tomato extract.Back to article page