TABLE 1.

Comparison of HPLC, GC-MS, and LC-MS/MS analysis for the dendrobine peak retention times and its molecular weight.

Sample type	Dendrobine peak retention time (min)
	HPLC	GC-MS	LC-MS/MS
	5.30 ± 0.02	14.97 ± 0.02	7.51 ± 0.02
Trichoderma longibrachiatum MD33	5.28 ± 0.02	14.96 ± 0.02	7.51 ± 0.02
Chemical reference standard dendrobine	5.30 ± 0.02	14.96 ± 0.02	7.57 ± 0.02
Wild Dendrobium nobile stem dendrobine	5.32 ± 0.02	14.97 ± 0.02	7.48 ± 0.02
Dendrobine molecular weight	NA	263	264.195

All the values are the standard deviation of three replicates; NA: not available.