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