Simultaneous Determination of Crypto-Chlorogenic Acid, Isoquercetin, and Astragalin Contents in Moringa oleifera Leaf Extracts by TLC-Densitometric Method

Table 5

Contents of crypto-chlorogenic acid, isoquercetin, and astragalin in dried powder of M. oleifera leaves collected from various regions of Thailand.

Location (region)	Contents of major compounds (% dry weight)
	Crypto-chlorogenic acid	Isoquercetin	Astragalin
Chiang Mai (Northern)	0.1021 ± 0.0006	0.0733 ± 0.0023	0.1604 ± 0.0042
Lampang (Northern)	0.0693 ± 0.0004	0.0393 ± 0.0017	0.0430 ± 0.0008
Surin (Northeastern)	0.0549 ± 0.0035	0.0638 ± 0.0007	0.0370 ± 0.0004
Udonthani (Northeastern)	0.0411 ± 0.0049	0.0350 ± 0.0057	0.1264 ± 0.0049
Sa Kaeo (Eastern)	ND	ND	0.0192 ± 0.0036
Chonburi (Eastern)	0.0446 ± 0.0003	0.0707 ± 0.0005	0.0287 ± 0.0002
Ang Thong (Central)	0.0602 ± 0.0006	0.0502 ± 0.0044	0.0440 ± 0.0012
Saraburi (Central)	0.0402 ± 0.0011	0.0293 ± 0.0010	0.0219 ± 0.0014
Kanchanaburi (Western)	0.0315 ± 0.0009	0.0230 ± 0.0003	0.0548 ± 0.0010
Phetchaburi (Western)	0.0262 ± 0.0006	0.0198 ± 0.0011	0.0460 ± 0.0004
Phang Nga (Southern)	0.0178 ± 0.0028	0.0258 ± 0.0004	0.0240 ± 0.0024
Phuket (Southern)	0.0327 ± 0.0008	0.0391 ± 0.0021	0.0348 ± 0.0022
Average	0.0473 ± 0.0236	0.0427 ± 0.0192	0.0534 ± 0.0440

∗Expressed as mean ± SD (𝑛=3), ND = nondetectable.