Correction to: BMC Chemistry (2019) 13:128 https://doi.org/10.1186/s13065-019-0645-0

Following publication of the original article [1], the author reported an error in the reference citation. In Results and Discussion section, Zhang et al. [2] should be cited after the first and third sentences of the first paragraph under the sub-section “Determination of main components in different processed products of Boju”. The reference has been included in the list.