FTIR spectra of hordenine and HD‐AuNPs synthesised by the reduction of AuCl4 using hordenine. The presence of amines, alcohol, aldehydes and carboxylic acids, functional groups in the FTIR spectra of HD‐AuNPs indicated the fabrication of AuNPs by HD
(a)
Hordenine,
(b)
HD‐AuNPs