However , additives such as nitrites and sulfites are associated with health concerns .
Since microbes , namely Salmonella and Bacillus cereus , can persist in IMFs , other hurdles including reduction in pH and the use of preservatives is not unusual .
Additives such as nitrites and sulfites are associated with health concerns .
Since microbes , namely Salmonella and Bacillus cereus , can persist in IMFs , other hurdles including reduction in pH and the use of preservatives is not unusual .