Research Article
Qualitative and Quantitative Evaluation of Chemical Constituents from Shuanghuanglian Injection Using Nuclear Magnetic Resonance Spectroscopy
Table 2
Chemical shift and signals assignment of quantitative protons for seven primary metabolites.
| Primary metabolites | Chemical shift and signals assignment of the quantitative protons |
| Valine | 0.99 (γ-H3) | Glucose | 5.24 (αH-1), 4.65 (βH-1) | Fructose | 4.12 (α-f H-3, β-f H-3, H-4), 4.03 (β-p H-6a), 4.00 (β-p H-5, α-f H-4) | Mannose | 5.19 (αH-1), 4.90 (βH-1) | Sucrose | 5.42 (H-1) | Succinic acid | 2.48 (H-2, H-3) | myo-inositol | 4.06 (H-1) |
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