Analysis of Flavone C-Glycosides in the Leaves of Clinacanthus nutans (Burm. f.) Lindau by HPTLC and HPLC-UV/DAD

Table 3

Content of shaftoside, orientin, isovitexin, and vitexin in samples of C. nutans from different locations. L1: Taiping, Perak, L2: Kota Tinggi, Johor, and L3: Sendayan, Negeri Sembilan.

Compound	Content of marker compounds (mmol/g)
	L1	L2	L3
Shaftoside	17.43 ± 0.01	16.33 ± 0.03	2.55 ± 0.04
Orientin	0.86 ± 0.04	0.59 ± 0.003	ND
Isovitexin	2.01 ± 0.02	1.03 ± 0.09	ND
Vitexin	0.91 ± 0.03	0.43 ± 0.006	ND

ND: not detected.
Values are means ± SD, .