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Table 1 The yield and physicochemical properties of polysaccharide fractions from Dendrobium officinale stems

From: Physicochemical properties of polysaccharides from Dendrobium officinale by fractional precipitation and their preliminary antioxidant and anti-HepG2 cells activities in vitro

Samples DOP-40 DOP-50 DOP-60 DOP-70
Yield (wt%) 59.31 ± 0.21 23.82 ± 0.23 7.55 ± 0.31 5.25 ± 0.09
Neutral sugar content (wt%) 18.38 ± 1.51 28.38 ± 1.53 13.67 ± 2.78 9.38 ± 0.71
Protein content (wt%) 4.28 ± 0.06 1.68 ± 0.09 1.12 ± 0.03 0.34 ± 0.02
Molecular weight (kDa) 999 ± 0.03 657 ± 0.02 243 ± 0.02 51 ± 0.01
Monosaccharide composition
d-Mannose/d-Glucose (molar ratio) 6.32 ± 0.15 8.67 ± 0.16 8.34 ± 0.13 8.82 ± 0.05