Research Article
Rapid Determination of the Monosaccharide Composition and Contents in Tea Polysaccharides from Yingshuang Green Tea by Pre-Column Derivatization HPLC
Table 3
Determination of the component monosaccharides in Yingshuang green tea TPS and recovery analysis (
).
| Carbohydrates | Content in sample (μM) | Spiked amount (μM) | Found amount (μM) | Recovery (%) | RSD (%) |
| Mannose | 0.28 | 0.50 | 0.76 | 95.2 | 0.7 | Ribose | 0.31 | 0.50 | 0.78 | 93.6 | 0.4 | Rhamnose | 0.44 | 0.50 | 0.93 | 97.7 | 0.5 | Glucuronic acid | 0.28 | 0.50 | 0.75 | 94.7 | 0.8 | Galacturonic acid | 0.78 | 0.50 | 1.24 | 91.9 | 1.0 | Glucose | 2.00 | 0.50 | 2.51 | 102.4 | 1.2 | Xylose | 0.20 | 0.50 | 0.70 | 99.3 | 2.5 | Galactose | 1.93 | 0.50 | 2.43 | 98.7 | 0.2 | Arabinose | 1.82 | 0.50 | 2.30 | 95.9 | 0.4 |
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