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

The original version of the article [1] contained a mistake. The Figure legends are right, but the pictures in Figs. 3 and 4 are contrary. The corrected figures are given below.

Correction to: Chemisty Central Journal (2018) 12:100 10.1186/s13065-018-0468-4

The original version of the article [1] contained a mistake. The Figure legends are right, but the pictures in Figs. 3 and 4 are contrary. The corrected figures are given below.

Fig. 3

Distilled NaCl elution curves of DOP-40 (a), DOP-50 (b), DOP-60 (c), and DOP-70 (d)

Fig. 4

HPLC profile of mixed monosaccharide standards (1-mannose, 2-rhamnose, 3-galactose, 4-glucose, and 5-arabinose), DOP-40, DOP-50, DOP-60, and DOP-70