Table 3.
Phytochemical compositions of the Si-Wu Tang (SWT) and its component extracts.
| Item | Total polyphenols | Total polysaccharides | Ferulic acid | Gallic acid |
|---|---|---|---|---|
| Concentration range (g/mL) | 3.9~500.0a | 0.0~500.0b | 6.3~500.0 | 15.6~500.0 |
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| Linear equation | y=0.0041x+0.0006 | y=0.7167x+0.076 | y=130664x+1006583 | y=61965x+415142 |
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| r2 | 0.9970 | 0.9997 | 0.9990 | 0.9990 |
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| Content (mg/g) | ||||
|
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| 1 | 9.9 ± 0.2 | 384.0 ± 8.4 | 0.5 ± 0.0 | 0.7 ± 0.0 |
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| 2 | 11.2 ± 0.4 | 474.2 ± 7.3 | 0.4 ± 0.0 | 1.0 ± 0.0 |
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| 3 | 9.3 ± 0.1 | 491.3 ± 10.9 | 0.5 ± 0.0 | N.D. |
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| 4 | 9.7 ± 0.2 | 397.3 ± 5.4 | 0.2 ± 0.0 | 0.8 ± 0.0 |
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| 5 | 10.5 ± 0.2 | 375.5 ± 11.0 | 0.7 ± 0.0 | 1.1 ± 0.0 |
ND, not detected; a the amount of total phenols is expressed as gallic acid equivalents; b the amount of total polysaccharide is expressed as glucose equivalents. 1, SWT; 2, SWT without Dang Gui; 3, SWT without Shao Yao; 4, SWT without Chuan Xiong; 5, SWT without Shu Di Huang.