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

E100: Curcumin (Turmeric Yellow Color) vs. E330: Citric Acid (Universal Acidulant / Chelator)

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

Comparing:
E100: Curcumin (Turmeric Yellow Color)
E330: Citric Acid (Universal Acidulant / Chelator)
E100: Curcumin (Turmeric Yellow Color) →

E100 (Curcumin) is a natural diarylheptanoid yellow pigment extracted from the rhizomes of turmeric (Curcuma longa). INS 100(i), ADI is 3 mg/kg bw/day, providing bright yellow-orange coloration in mustard, cheese, and curry powders.

View full E100: Curcumin (Turmeric Yellow Color) spec sheet →
E330: Citric Acid (Universal Acidulant / Chelator) →

E330 (Citric Acid) is a tricarboxylic organic acid produced by industrial fermentation of Aspergillus niger on carbohydrate substrates. INS 330, ADI is Not Limited (Quantum Satis), the single most widely used acidulant, flavor enhancer, and metal chelator on Earth.

View full E330: Citric Acid (Universal Acidulant / Chelator) spec sheet →

Specification Comparison Table

9 Parameters
Parameter / Spec
E100: Curcumin (Turmeric Yellow Color)
E330: Citric Acid (Universal Acidulant / Chelator)
E-Number Code
E100 E330
INS / Codex Number
INS 100(i) INS 330
Functional Class
Food Color (Yellow-Orange) Acidity Regulator, Acidulant, Sequestrant, Antioxidant Synergist
Acceptable Daily Intake (ADI)
3 mg / kg body weight per day Not Limited (Quantum Satis)
Chemical Formula
C21H20O6 C6H8O7 (2-hydroxypropane-1,2,3-tricarboxylic acid)
Primary Mechanism
Light absorption at 420–430nm producing vibrant golden-yellow hue; polyphenol antioxidant activity Delivers bright citrus sourness; chelates pro-oxidant metal ions (Fe/Cu); activates pectin gelation
Common Target Foods
Prepared mustard, curry seasonings, margarine, cheese rinds, confectionery Citrus beverages, candy/confectionery, jams, canned tomatoes, cheese curdling, soft drinks
Dietary Compliance
100% Vegan (Turmeric root extraction), Halal, Kosher Certified 100% Vegan (Aspergillus fungal sugar fermentation), Halal, Kosher
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 73.600) EFSA Authorized / FDA GRAS (21 CFR 184.1033)

Other Alternatives to Compare

Compare E100: Curcumin (Turmeric Yellow Color) vs. E101: Riboflavin (Vitamin B2 Yellow Color) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E140: Chlorophyll & Chlorophyllins (Green Color) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E150a: Plain Caramel (Class I Caramel Color) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E150d: Sulfite Ammonia Caramel (Class IV Caramel) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E160a: Beta-Carotene (Provitamin A Orange Color) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E160c: Paprika Extract (Capsanthin / Capsorubin) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E162: Beetroot Red (Betanin) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E163: Anthocyanins (Grape Skin & Berry Red/Purple) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E170: Calcium Carbonate (Mineral White Color / Anti-Caking) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E200: Sorbic Acid (Antifungal Preservative) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E202: Potassium Sorbate (Soluble Antimicrobial) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E211: Sodium Benzoate (Acid Beverage Preservative) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E220: Sulfur Dioxide (Antioxidant & Wine Preservative) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E224: Potassium Metabisulfite (Campden Salt) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E250: Sodium Nitrite (Curing Salt / Anti-Botulism Preservative) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E251: Sodium Nitrate (Chile Saltpeter / Slow Curing) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E260: Acetic Acid (Vinegar Acidulant / Preservative) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E270: Lactic Acid (Biological Acidulant) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E282: Calcium Propionate (Bread Anti-Mold) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E290: Carbon Dioxide (Carbonation & MAP Gas) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E300: L-Ascorbic Acid (Vitamin C Antioxidant & Flour Improver) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E322: Lecithin (Phospholipid Emulsifier & Viscosity Reducer) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E334: L-Tartaric Acid (Wine & Baking Acidulant) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E338: Phosphoric Acid (Cola Acidulant) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E406: Agar-Agar (Seaweed Hydrocolloid Gel) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E407: Carrageenan (Dairy Stabilizer Hydrocolloid) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E410: Locust Bean Gum (Carob Bean Gum / LBG) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E412: Guar Gum (Cold-Soluble Galactomannan) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E414: Gum Arabic (Acacia Gum Emulsifier) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E415: Xanthan Gum (Pseudoplastic Hydrocolloid Thickener) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E422: Glycerol (Glycerin Humectant & Solvent) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E440: Pectin (Citrus & Apple Jam Gelling Fiber) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E460: Microcrystalline Cellulose (MCC / Dietary Bulking) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E471: Mono- & Diglycerides of Fatty Acids (Bread Softener) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E500: Sodium Bicarbonate (Baking Soda / Ins 500ii) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E501: Potassium Carbonate (Potash / Alkaline Noodle Salt) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E503: Ammonium Bicarbonate (Baker's Ammonia / Hartshorn) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E509: Calcium Chloride (Firming Agent / Cheese Salt) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E621: Monosodium Glutamate (MSG / Umami Flavor Enhancer) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E627: Disodium Guanylate (GMP Umami Synergist) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E631: Disodium Inosinate (IMP Meat Umami Synergist) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E635: Disodium 5'-Ribonucleotides (I+G Blend) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E950: Acesulfame Potassium (Ace-K / 200x Sweetener) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E951: Aspartame (Dipeptide Sweetener / 200x) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E955: Sucralose (Splenda / 600x Heat-Stable Sweetener) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E960: Steviol Glycosides (Reb-A / Stevia Extract) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E965: Maltitol (Sugar Alcohol / 90% Sweetness) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E967: Xylitol (Birch Sugar / Dental Caries Inhibitor) → Compare E100: Curcumin (Turmeric Yellow Color) vs. E968: Erythritol (Zero-Calorie Fermented Polyol) →