E163: Anthocyanins (Grape Skin & Berry Red/Purple) vs. E509: Calcium Chloride (Firming Agent / Cheese Salt)
Comparing 2 standards across 10 specifications. 10 key differences identified.
E163 (Anthocyanins) are natural water-soluble flavonoid polyphenol pigments extracted from grape skins, elderberries, and black carrots. INS 163, ADI is 2.5 mg/kg bw/day (grape skin extract), exhibiting pH-dependent colors from red to blue.
E509 (Calcium Chloride / CaCl2) is an inorganic calcium mineral salt. INS 509, ADI is Not Limited (Quantum Satis), serving as a crucial firming agent in canned tomatoes, tofu coagulant, and rennet coagulation restorer in pasteurized milk cheese making.
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E163 | E509 |
|
INS / Codex Number
|
INS 163(i)–(v) | INS 509 |
|
Functional Class
|
Food Color (Red, Purple, Blue) | Firming Agent, Coagulant, Sequestrant, Electrolyte |
|
Acceptable Daily Intake (ADI)
|
2.5 mg / kg body weight per day (as anthocyanins) | Not Limited (Quantum Satis) |
|
Primary Mechanism
|
Flavylium cation red at pH 1–3, converting to blue quinoidal base at neutral/alkaline pH | Divalent Ca2+ ions cross-link pectin galacturonan chains in plant cell walls and bridge casein micelles in milk |
|
Common Target Foods
|
Red fruit beverages, sports drinks, jams, jellies, wine gums | Canned whole peeled tomatoes (prevents mushiness), pasteurized cheese vats, soy tofu coagulation, sports pickles |
|
Dietary Compliance
|
100% Vegan (Fruit/Vegetable extraction), Halal, Kosher | Vegan (Natural brine/limestone salt), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA 21 CFR 73.170 | EFSA Authorized / FDA GRAS (21 CFR 184.1193) |
|
Key Flavylium Cations
|
Cyanidin, Delphinidin, Malvidin, Peonidin, Petunidin | — |
|
Chemical Formula
|
— | CaCl2 |