Determination of nitrite from peckled vegetables with various packages.
LIU Hui-min, LIU Jun.
(Jining Municipal Health Bureau Institute for Health Inspection, Jining 272100, Shandong, P. R. China)
Abstract:Objective To understand the content of NO2- in pickled vegetables with various package. Methods Based on GB standard methods, NO2- in 166 pickled vegetable samples with 16 kinds of package including were tested. Results The content of NO2- in bulk was higher than that in bags and the content of NO2- in bottle was the lowest. During preservation, the content of NO2- in bulk and in bottle was increasing along with the progress of time. Conclusion Change of the old manufacturing technology and enhancement of hygienic consciousness are of effective ways to reduce the content of NO2- in pickled vegetables.