Side-by-Side Comparison
Food Additives & E-Numbers
E220: Sulfur Dioxide (Antioxidant & Wine Preservative) vs. E968: Erythritol (Zero-Calorie Fermented Polyol)
Comparing 2 standards across 12 specifications. 12 key differences identified.
Comparing:
E220: Sulfur Dioxide (Antioxidant & Wine Preservative)
E968: Erythritol (Zero-Calorie Fermented Polyol)
E220 (Sulfur Dioxide / SO2) is an inorganic gas dissolved in water to generate bisulfite and sulfite ions, providing potent antimicrobial and polyphenol oxidase enzyme-inhibiting properties. INS 220, group ADI is 0.7 mg/kg bw/day.
E968 (Erythritol) is a four-carbon polyol produced by microbial fermentation of glucose by Moniliella pollinis. INS 968, ADI is Not Specified, delivering 70% the sweetness of sucrose with 0.0–0.2 kcal/g, zero GI, and 90% urinary excretion avoiding digestive distress.
Specification Comparison Table
12 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E220 | E968 |
|
INS / Codex Number
|
INS 220 | INS 968 |
|
Functional Class
|
Preservative, Antioxidant, Enzymatic Browning Inhibitor | Non-Nutritive Bulk Sweetener, Flavor Enhancer, Humectant |
|
Acceptable Daily Intake (ADI)
|
0.7 mg / kg body weight per day (as SO2 equivalent) | Not Specified (Highest digestive tolerance among all polyols: 0.66–0.80 g/kg bw) |
|
Common Target Foods
|
Wines (Contains sulfites declaration >10mg/L), dried apricots, ciders, potato starch | Keto baked goods, monk fruit/stevia blends (Swerve), zero-sugar confectionery |
|
Dietary Compliance
|
Vegan, Halal, Kosher, Major Allergen Declaration Mandatory | 100% Vegan (Yeast fermentation of corn glucose), Halal, Kosher, Non-GMO |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 182.3862 - Banned on raw produce) | EFSA Authorized / FDA GRAS (GRN 76) |
|
Chemical Formula
|
SO2 | — |
|
Primary Mechanism
|
Molecular SO2 penetrates microbial membranes; bisulfite (HSO3-) cleaves disulfide bonds in enzymes and binds acetaldehyde | — |
|
Relative Sweetness Index
|
— | 70% Sucrose |
|
Caloric Value
|
— | 0.2 kcal / g (Legal EU/US: 0.0 kcal / g) kcal/g |
|
Glycemic Index (GI)
|
— | 0 (Zero effect on blood glucose or insulin levels) |
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