Correction to: Food Anal. Methods (2017) 10(11):3680–3686

https://doi.org/10.1007/s12161-017-0919-x

The original version of this article unfortunately contained mistakes. In Figs. 2a, c and 5a in which Y-axis (Current X103) should not be written. It should only be “Current”. The correct version of Figs. 2a, c and 5a are given below.

Fig. 2
figure 1

a DPV response of enzyme/c-MWCNT electrode at different concentrations of malic acid in PBS, pH 7.4. b Measurement of DPV at variable malic acid concentrations on immobilized malic enzyme/c-MWCNT electrode. Inset c Lineweaver-Burk plot for determination of Km of nanosensor based on NADP-malate dehydrogenase immobilized on c-MWCNT electrode

Fig. 5
figure 2

a CV of malic acid at different stages of ripening of tomato. b DPV of malic acid at different stages of ripening of tomato