Dextrose vs Sodium Propionate: which is worse?

What is Dextrose?

Dextrose is a simple sugar (monosaccharide) derived from corn starch hydrolysis. It is chemically identical to glucose and is the primary energy source for human cells. In food manufacturing, dextrose is used as a sweetener, fermentation substrate, and browning agent. It has a glycemic index of approximately 100.

What is Sodium Propionate?

Sodium propionate is the sodium salt of propionic acid. Like calcium propionate (E282), it is used as an antimicrobial preservative to prevent mold and bacterial spoilage in bread and baked goods. It is also used in poultry and animal feed applications.

Documented risks

Dextrose: Dextrose has a GI of 100 (the standard reference), causing rapid blood glucose elevation. Excessive consumption contributes to caloric overload, dental caries, and metabolic syndrome risk. However, as a single ingredient it is no more concerning than other simple sugars. The health risks of dextrose are those of added sugar generally, which the American Heart Association and WHO link to obesity, type 2 diabetes, and cardiovascular disease when consumed in excess.

Sodium Propionate: The health profile is essentially the same as calcium propionate. The 2019 Science Translational Medicine study implicating propionate in metabolic changes applies to all propionate salts. Behavioral sensitivity concerns that have been anecdotally reported with calcium propionate may similarly apply. At regulated use levels, sodium propionate is considered safe by global regulatory agencies.