Erratum to: Orient Pharm Exp Med

DOI 10.1007/s13596-015-0202-x

Unfortunately, Fig. 1a and b are missing in the original version of the article. The corrected Fig. 1 is shown in this erratum.

Fig. 1
figure 1

a HPLC chromatogram of standard L-dopa at 25 ppm showed retention time 4.160 s. b HPLC chromatogram of MHN shown retention time 4.362 s. c LCMS peaks of MHN extract