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Tapioca Syrup vs Erythorbic Acid: which is worse?

Quick answer: Erythorbic Acid carries the heavier risk profile. Tapioca Syrup is allowed in the EU and allowed in the US; Erythorbic Acid is allowed in the EU and allowed in the US.

PropertyTapioca SyrupErythorbic Acid
EU statusAllowedAllowed
US statusAllowedAllowed
Risk levelmediumlow
Banned in
Restricted in
Categoryadditivepreservative
Where it hidesClif Bar Kids, Larabar (some varieties), Annie's Fruit SnacksOscar Mayer Hot Dogs, Hillshire Farm Sausage, Boar's Head Ham

What is Tapioca Syrup?

Tapioca syrup is produced by enzymatically or acid-hydrolyzing tapioca starch (derived from cassava root). It is often marketed as a 'clean label' alternative to corn syrup, particularly in organic and natural food products. Chemically, it is similar to corn syrup, consisting primarily of glucose polymers.

What is Erythorbic Acid?

Erythorbic acid is a stereoisomer of ascorbic acid (vitamin C) produced by fermentation of sucrose. While it has similar antioxidant properties to vitamin C, it has very little vitamin C activity (approximately 5%). It is primarily used in meat curing to accelerate the conversion of nitrite to nitric oxide, thereby speeding up the development of the characteristic pink color in cured meats.

Documented risks

Tapioca Syrup: Tapioca syrup contributes added sugar to the diet and has a high glycemic index comparable to corn syrup. A 2019 investigation by the Clean Label Project found that many 'organic' snack bars sweetened with tapioca syrup had sugar contents equivalent to candy, despite their 'natural' branding. The FDA has noted that tapioca syrup, when listed on ingredient labels without quantification, may obscure the total sugar content of a product. Health impacts are equivalent to those of other refined sugars.

Erythorbic Acid: Erythorbic acid is generally recognized as safe. It is not carcinogenic, mutagenic, or teratogenic. At very high doses in animal studies, no toxicity was observed. It is metabolized similarly to ascorbic acid. When used alongside nitrites in cured meats, it serves the beneficial function of reducing nitrosamine formation, potentially making cured meats somewhat safer. No significant adverse effects have been documented at food use levels.

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