Side-by-Side Comparison
Food Additives & E-Numbers
E251: Sodium Nitrate (Chile Saltpeter / Slow Curing) vs. E410: Locust Bean Gum (Carob Bean Gum / LBG)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
E251: Sodium Nitrate (Chile Saltpeter / Slow Curing)
E410: Locust Bean Gum (Carob Bean Gum / LBG)
E251 (Sodium Nitrate / NaNO3) is an inorganic salt serving as a slow-release chemical reservoir of nitrite in long-aged cured meats and hard cheeses. INS 251, ADI is 3.7 mg/kg bw/day, enzymatically reduced into nitrite over months of curing.
E410 (Locust Bean Gum / LBG) is a galactomannan polysaccharide milled from the seeds of the carob tree (Ceratonia siliqua). INS 410, ADI is Not Limited (Quantum Satis), providing smooth melt-down and freeze-thaw ice crystal inhibition in premium ice creams.
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E251 | E410 |
|
INS / Codex Number
|
INS 251 | INS 410 |
|
Functional Class
|
Preservative, Curing Agent, Antimicrobial | Thickener, Stabilizer, Syneresis Inhibitor |
|
Acceptable Daily Intake (ADI)
|
3.7 mg / kg body weight per day (as nitrate ion) | Not Limited (Quantum Satis) |
|
Primary Mechanism
|
Micrococcus and Staphylococcus bacterial nitrate reductase slowly converts nitrate (NO3-) into bioactive nitrite (NO2-) | Synergistically cross-links with xanthan gum and carrageenan to form elastic gels and halt ice crystallization |
|
Common Target Foods
|
Prosciutto di Parma, dry-cured salamis, Gouda cheeses (prevents late blowing by Clostridium tyrobutyricum) | Ice creams (prevents icy graininess), cream cheeses, infant formula thickeners, fruit sauces |
|
Dietary Compliance
|
Mineral synthesis, Halal, Kosher, Vegan compliance | 100% Vegan (Carob tree seed endosperm), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA 9 CFR 424.21 | EFSA Authorized / FDA GRAS (21 CFR 184.1343) |
|
Chemical Formula
|
NaNO3 | — |
|
Mannose to Galactose Ratio
|
— | 4 : 1 (High mannose backbone requires heating to 85°C for full hydration) |
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