Table 7.
The detected concentration of sorbic acid, benzoic acid, and propionic acid

Preservatives	Total	No. of Detection	Mean (mg/kg)	Std. Dev.	Range (mg/kg)
Sorbic acid	21	2	15.312	13.693	5.630, 24.995
Benzoic acid	21	8	14.323	5.993	8.201~21.839
Propionic acid	21	2	62.025	0.991	61.324, 62.726