Name Other Names Purpose Sourced Indanthrene blue RS Pubchem E130, indanthrene Food dye Not approved in USA and EU Synthetic Indigo carmine Pubchem Indigo, FD&C Blue No. 2, Indigotine Blue food color Found in several plants, synthesized for commercial purposes Indole Pubchem !-benzazole Floral smell at very low concentrations Found in human feces Inosinate Pubchem E630, Inosinic acid, inosine monophosphate, IMP Flavor enhancer, especially umami taste, in soups, sauces, seasonings and meat products chickenby product and meat waste Inositol Pubchem myo-inositol, phaseomannite, Vitamin B8 Sweetener, half as a sweet as table sugar Produced in human kidneys, 2 grams per day, found in the brain to create neurotransmitters and steroid hormones, found in fruits such as cantaloupe & oranges, beans, grains and nuts Insoluble fiber Dietary fiber, roughage Insoluble in water, inert to digestive enzymes and usually fermented by the colon, bulking agent, thickening agent, used in various foods Various types found in fruits and vegetables Inulin Pubchem glucose-fructose syrup, isoglucose Lightly sweet sweetener, filler, low calorie, soluble in water, prebiotic, used in various food products Ref Primarily extracted from chicory roots, found in thousands of fruits, vegetables and cereals Invert sugar Invert syrup Used in jams, golden syrup, chocolate fondants, alcoholic beverages, sour patch kids and creme eggs Dissolving table sugar(sucrose) in water, combination of glucose and fructose Invertase Saccharase, glucosucrase, invertin, sucrase Enzyme that speeds up breakdown of sucrose(table sugar) into fructose and glucose, Chocolate covered cherries, fondant candies, specialties Derived from yeast, made by bees to convert nectar into honey Iron ammonium citrate Pubchem E381, Ammonium ferric citrate Acidity regulator, salt, soft drinks, anti-caking agent Synthetic Iron oxides E172 Coating surfaces, orange/brown/black/yellow/red color Made from oxidation of iron powder Isobutane E943b, i-butane Used as a propellant in spray cans Isomer of butane, a natural gas Isomalt E953 Sugar alcohol, low calorie, used in sugar-free candies, confections, lowest cooling effect among sugar alcohols Modified starch made from tapioca starch Isopropyl citrates Hyssopus officinalis Used in herb mixtures, steaming, plant used to making aromatic honey, condiments and flavoring liqueur, lower crystallization than sucrose Synthesized from sucrose(table sugar)