# item.guide
Side-by-Side Comparison Food Additives & E-Numbers

E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E509: Calcium Chloride (Firming Agent / Cheese Salt)

Comparing 2 standards across 10 specifications. 9 key differences identified.

Comparing:
E440: Pectin (Citrus & Apple Jam Gelling Fiber)
E509: Calcium Chloride (Firming Agent / Cheese Salt)

E440 (Pectin) is a complex heteropolysaccharide rich in alpha-(1->4)-linked D-galacturonic acid extracted from citrus peels and apple pomace. INS 440, ADI is Not Limited (Quantum Satis), the global gold standard gelling agent for jams, jellies, and fruit spreads.

View full E440: Pectin (Citrus & Apple Jam Gelling Fiber) spec sheet →

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.

View full E509: Calcium Chloride (Firming Agent / Cheese Salt) spec sheet →

Specification Comparison Table

10 Parameters
Parameter / Spec
E-Number Code
E440 E509
INS / Codex Number
INS 440(i) / 440(ii) INS 509
Functional Class
Gelling Agent, Thickener, Stabilizer, Soluble Fiber Firming Agent, Coagulant, Sequestrant, Electrolyte
Acceptable Daily Intake (ADI)
Not Limited (Quantum Satis) Not Limited (Quantum Satis)
Primary Mechanism
HM forms junction zones with sugar (Brix > 55%) + acid (pH < 3.5); LM gels with calcium ions (Ca2+) Divalent Ca2+ ions cross-link pectin galacturonan chains in plant cell walls and bridge casein micelles in milk
Common Target Foods
Fruit jams, marmalades, gummy confectionery, fruit preparations for yogurt, glazes Canned whole peeled tomatoes (prevents mushiness), pasteurized cheese vats, soy tofu coagulation, sports pickles
Dietary Compliance
100% Vegan (Citrus peel/apple extraction), Halal, Kosher Vegan (Natural brine/limestone salt), Halal, Kosher
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 184.1588) EFSA Authorized / FDA GRAS (21 CFR 184.1193)
Primary Classes
High Methoxyl Pectin (HM, DE > 50%), Low Methoxyl Pectin (LM, DE < 50%)
Chemical Formula
CaCl2

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Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E270: Lactic Acid (Biological Acidulant) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E282: Calcium Propionate (Bread Anti-Mold) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E290: Carbon Dioxide (Carbonation & MAP Gas) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E300: L-Ascorbic Acid (Vitamin C Antioxidant & Flour Improver) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E322: Lecithin (Phospholipid Emulsifier & Viscosity Reducer) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E330: Citric Acid (Universal Acidulant / Chelator) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E334: L-Tartaric Acid (Wine & Baking Acidulant) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E338: Phosphoric Acid (Cola Acidulant) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E406: Agar-Agar (Seaweed Hydrocolloid Gel) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E407: Carrageenan (Dairy Stabilizer Hydrocolloid) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E410: Locust Bean Gum (Carob Bean Gum / LBG) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E412: Guar Gum (Cold-Soluble Galactomannan) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E414: Gum Arabic (Acacia Gum Emulsifier) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E415: Xanthan Gum (Pseudoplastic Hydrocolloid Thickener) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E422: Glycerol (Glycerin Humectant & Solvent) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E460: Microcrystalline Cellulose (MCC / Dietary Bulking) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E471: Mono- & Diglycerides of Fatty Acids (Bread Softener) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E500: Sodium Bicarbonate (Baking Soda / Ins 500ii) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E501: Potassium Carbonate (Potash / Alkaline Noodle Salt) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E503: Ammonium Bicarbonate (Baker's Ammonia / Hartshorn) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E621: Monosodium Glutamate (MSG / Umami Flavor Enhancer) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E627: Disodium Guanylate (GMP Umami Synergist) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E631: Disodium Inosinate (IMP Meat Umami Synergist) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E635: Disodium 5'-Ribonucleotides (I+G Blend) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E950: Acesulfame Potassium (Ace-K / 200x Sweetener) → Compare E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E951: 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