Side-by-Side Comparison
Food Additives & E-Numbers
E270: Lactic Acid (Biological Acidulant) vs. E951: Aspartame (Dipeptide Sweetener / 200x)
Comparing 2 standards across 11 specifications. 11 key differences identified.
Comparing:
E270: Lactic Acid (Biological Acidulant)
E951: Aspartame (Dipeptide Sweetener / 200x)
E270 (L-Lactic Acid) is a natural alpha-hydroxy acid produced by fermentation of carbohydrates by lactic acid bacteria (Lactobacillus). INS 270, ADI is Not Limited (Quantum Satis), imparting a smooth, mild sour taste in dairy, beers, and bakery sourdoughs.
E951 (Aspartame) is a methyl ester of the aspartic acid/phenylalanine dipeptide yielding ~200x the sweetness of sucrose. INS 951, ADI is 40 mg/kg bw/day, the historic sweetener in Diet Coke and tabletop sweetener packets.
Specification Comparison Table
11 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E270 | E951 |
|
INS / Codex Number
|
INS 270 | INS 951 |
|
Functional Class
|
Acidity Regulator, Preservative, Flavoring Agent | High-Intensity Artificial Sweetener |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | 40 mg / kg body weight per day (US FDA: 50 mg/kg) |
|
Primary Mechanism
|
Provides sustained buffering and mild tartness while suppressing spore-forming spoilage bacteria | Stimulates T1R2/T1R3 sweet taste receptors with clean, sugar-like taste profile |
|
Common Target Foods
|
Yogurt, sourdough breads, sour ales (Berliner Weisse), olives, confectionery, carcass rinses | Diet sodas, tabletop sweetener packets (Equal), sugar-free gelatin desserts, drink mixes |
|
Dietary Compliance
|
100% Vegan (Bacterial fermentation of beet/corn sugar), Halal, Kosher | Vegetarian, Halal, Kosher, Contains Phenylalanine (Warning for PKU patients mandatory) |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1061) | EFSA Authorized / FDA Approved (21 CFR 172.804) |
|
Chemical Formula
|
C3H6O3 (2-hydroxypropanoic acid, pKa 3.86) | — |
|
Relative Sweetness Index
|
— | 200x Sucrose |
|
Caloric Value
|
— | 4.0 kcal / g (Negligible at use levels / ~0.1 kcal per serving) kcal/g |
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