Research Article

Similarity Evaluation of Different Origins and Species of Dendrobiums by GC-MS and FTIR Analysis of Polysaccharides

Table 2

Calibration curve data, calculated detection (LOD), and quantification (LOQ) limits and precision (repeatability and reproducibility) of the monosaccharide standards detected by GC-MS.

CompoundsEquationCorrelation coefficient ()Linear range (μg)LOD (μg)LOQ (μg)Reproducibility (%)Repeatability (%)

Arabinose0.0080.9850.5–16000.20.8126
Rhamnose0.0900.9750.5–16000.20.5911
Xylose0.0070.9890.5–6000.10.576
Mannose0.0920.9932.5–15000.10.673
Galactose0.0100.9871.5–15000.30.775
Glucose0.0230.9981.0–16000.11.875
Galacturonic acid0.0050.9774.0–13001.05.097
Fucose0.0100.9690.5–5500.41.2129
Inositol0.0350.9931.0–15000.21.5101