Table 5.

The content of nine compounds in Dendrobium officinale samples (μg/g).

Compound	FJ	AL	FJS	GX	ZJ
Ferulic acid	77.85 ± 2.60	71.00 ± 5.68	31.06 ± 4.55	88.27 ± 1.96	55.36 ± 3.52
Chrysin	2.14 ± 0.73	2.56 ± 0.98	2.62 ± 0.62	2.33 ± 0.06	10.20 ± 0.46
Naringenin	60.18 ± 0.34	35.74 ± 1.28	67.07 ± 0.58	67.96 ± 0.09	76.56 ± 1.66
Luteolin	0.60 ± 0.46	0.12 ± 0.07	0.19 ± 0.04	0.30 ± 0.03	0.20 ± 0.10
L-Epicatechin	37.28 ± 1.07	101.09 ± 2.62	94.86 ± 9.55	109.68 ± 2.87	67.54 ± 4.52
Quercetin	3.16 ± 0.05	2.13 ± 0.32	2.31 ± 0.25	2.44 ± 0.24	4.84 ± 0.40
Isorhamnetin	0.32 ± 0.05	0.23 ± 0.02	0.30 ± 0.11	0.23 ± 0.02	0.80 ± 0.40
Cynaroside	0.39 ± 0.09	0.35 ± 0.04	0.31 ± 0.02	0.42 ± 0.08	0.42 ± 0.20
Naringin	0.11 ± 0.02	0.24 ± 0.00	0.21 ± 0.06	0.14 ± 0.06	0.20 ± 0.20