Side-by-Side Comparison
Food Additives & E-Numbers
E471: Mono- & Diglycerides of Fatty Acids (Bread Softener) vs. E501: Potassium Carbonate (Potash / Alkaline Noodle Salt)
Comparing 2 standards across 10 specifications. 9 key differences identified.
Comparing:
E471: Mono- & Diglycerides of Fatty Acids (Bread Softener)
E501: Potassium Carbonate (Potash / Alkaline Noodle Salt)
E471 is an authorized food emulsifier composed of glycerol esterified with one or two fatty acid chains (glycerol monostearate / monooleate). INS 471, ADI is Not Limited (Quantum Satis), globally recognized as the ultimate crumb softener and amylose complexing agent in bakery.
E501 (Potassium Carbonates / K2CO3) is an inorganic alkaline mineral salt. INS 501(i), ADI is Not Limited (Quantum Satis), used as the key 'Kansui' alkaline agent in Japanese ramen noodles and in the Dutch processing of cocoa powder.
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E471 | E501 |
|
INS / Codex Number
|
INS 471 | INS 501(i) (Potassium Carbonate) |
|
Functional Class
|
Emulsifier, Anti-Staling Agent, Crumb Softener, Defoamer | Acidity Regulator, Alkaline Leavening, Kansui Salt |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | Not Limited (Quantum Satis) |
|
Primary Mechanism
|
Fatty acid chain complexes into helical starch amylose cavity, preventing retrogradation staling | Alkalinizes noodle dough (pH 9–11), tightening glutenin network and converting flavonoid pigments yellow |
|
Common Target Foods
|
Sliced sandwich bread, margarines, ice creams, peanut butter (Prevents oil separation), cake mixes | Ramen noodles (Kansui), Dutch-process alkalized cocoa powder, gingerbread leavening |
|
Dietary Compliance
|
Vegan (When derived from palm/sunflower oil; animal fat variants must be labeled) | Vegan (Mineral salt), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1505) | EFSA Authorized / FDA GRAS (21 CFR 184.1619) |
|
Hydrophilic-Lipophilic Balance (HLB)
|
3.5 – 4.5 (Lipophilic water-in-oil emulsifier) | — |
|
Chemical Formula
|
— | K2CO3 |
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