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.