Microbiological Analysis and Content of Heavy Metals in Different Candies, Chocolates, and Their Wrappers in Bangladesh

Figure 1

Box plots showing the association of type of chocolate or candy brands (local, imported, or locally manufactured international brands) with (a) log of lead concentration (μg/g), (b) log of chromium concentration (μg/g), (c) log of nickel concentration (μg/g), and (d) log of cadmium concentration (μg/g). : extreme outlier value (more than 3.0 times the interquartile range away from the box); o: mild outlier value (more than 1.5 times the interquartile range away from the box).

(a)

(b)

(c)

(d)