Side-by-Side Comparison
Food Additives & E-Numbers
E211: Sodium Benzoate (Acid Beverage Preservative) vs. E407: Carrageenan (Dairy Stabilizer Hydrocolloid)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
E211: Sodium Benzoate (Acid Beverage Preservative)
E407: Carrageenan (Dairy Stabilizer Hydrocolloid)
E211 (Sodium Benzoate) is the sodium salt of benzoic acid, highly soluble and active against yeasts and bacteria in acidic environments (pH < 4.5). INS 211, group ADI is 5 mg/kg bw/day, the standard antimicrobial in carbonated soft drinks and fruit juices.
E407 (Carrageenan) is a high-molecular-weight sulfated polygalactan extracted from red edible seaweeds (Chondrus crispus / Irish Moss). INS 407, ADI is 75 mg/kg bw/day, famed for stabilizing cocoa suspension in chocolate milk via kappa-casein binding.
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E211 | E407 |
|
INS / Codex Number
|
INS 211 | INS 407 |
|
Functional Class
|
Preservative (Antibacterial, Antifungal) | Thickener, Gelling Agent, Emulsion Stabilizer |
|
Acceptable Daily Intake (ADI)
|
5 mg / kg body weight per day (as benzoic acid equivalent) | 75 mg / kg body weight per day |
|
Primary Mechanism
|
In acidic media, converts to lipophilic undissociated benzoic acid which disrupts intracellular pH and anaerobic glycolysis in microbes | Negative sulfate esters cross-link with positive charges on milk kappa-casein micelles |
|
Common Target Foods
|
Acidic soft drinks, sparkling waters, salad dressings, jams, pickles, soy sauce | Chocolate milks, whipping creams, plant-based milks, deli turkey meats (water binding) |
|
Dietary Compliance
|
Vegan, Halal, Kosher | 100% Vegan (Marine seaweed), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1733) | EFSA Authorized / FDA GRAS (21 CFR 172.620) |
|
Chemical Formula
|
C7H5NaO2 | — |
|
Major Types
|
— | Kappa (Rigid brittle gel), Iota (Elastic thixotropic gel), Lambda (Non-gelling thickener) |
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