Onion

Onion
Category: Vegetable
Synonyms: Bulb onion
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Natural Source of Onion: Allium
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Tribe: Allieae
Genus: Allium
Natural Source of Onion : Allium

Flavor Molecules in Onion

Common Name PubChem ID Flavor Profile More Info.
coumarin 323 sweet, new mown hay, green, tonka, bitter
3-Mercapto-2-methylpentanal 527435 onion, sulfurous
Methyl Benzoate 7150 prune, cananga, floral, wintergreen, lettuce, sweet, almond, herb, phenolic
5-Hydroxymethylfurfural 237332 caramel, waxy, fatty, musty, cardboard
Vanillic acid 8468 powdery, vanilla, bean, milky, sweet, creamy, dairy
1-Methylnaphthalene 7002 naphthyl, medicinal, chemical, camphor
3-Hexanone 11509 ether, waxy, grape, sweet, rum, fruity
Geraniol 637566 citrus, rose, waxy, floral, sweet, fruity, geranium
alpha-Maltose 439341 odorless, sweet
2-Ethyl-4-hydroxy-5-methyl-3(2H)-furanone 33931 butterscotch, caramel, sweet, candy
Phlorizin 6072 bitter
Tiglic aldehyde 5321950 ethereal, anisic, fruit, pungent, fruity, nutty, green
L-Rhamnose 25310 odorless, sweet
methanethiol 878 sulfur, garlic, gasoline, decomposing cabbage
daidzein 5281708 bitter
Pyridine 1049 sour, putrid, fishy, rancid, sickening, amine
benzaldehyde 240 cherry, almond, sweet, burnt sugar, sharp, strong, bitter
Propenyl propyl disulfide 5320722 onion, sulfurous, cooked
benzyl alcohol 244 berry, balsamic, rose, floral, walnut, sweet, cherry, phenolic, flower, grapefruit
227456-27-1 6430888 onion, sulfurous
alpha-L-Sorbopyranose 441484 sweet, bitter
DL-Liquiritigenin 1889 bitter
2-Acetylpyrrole 14079 nut, licorice, coumarin, bread, musty, nutty, walnut
Allyl Propyl Disulfide 16591 garlic, onion, alliaceous, green
phloretin 4788 odorless, bitter
DL-Tartaric acid 875 caramellic, very mild
resveratrol 445154 bitter
1-Propanethiol 7848 cabbage, onion, sweet, gassy, natural
Hexanal 6184 leafy, grass, sweaty, tallow, fat, fresh, fatty, fruity, aldehydic, green
Linamarin 11128 bitter
2-Methyl-1-Butanol 8723 roasted, onion, malt, wine, fruity
guaiacol 460 spice, vanilla, smoky, sweet, woody, phenolic, medicine, medicinal, smoke
salicylic acid 338 nutty, faint, phenolic
vanillin 1183 vanilla, chocolate, sweet, creamy
Dimethyl disulfide 12232 citrus, cabbage, sulfurous, putrid, wine_like, onion, vegetable, fatty, floral, earthy, woody, fruity, herbaceous, nutty, meaty, spicy, green
(Z)-cinnamyl alcohol 5280511 oil, powdery, cinnamic, bitter, sweet, balsam, hyacinth, spicy, green
cinnamyl alcohol 5315892 hyacinth, spicy, powdery, sweet, cinnamic, balsam, green, bitter
Ethyl Vinyl Ketone 15394 peppery, mustard, garlic, onion, fish, pungent
Dipropyl trisulfide 22383 sulfurous, garlic, onion, tropical, green
hydrogen peroxide 784 bitter
Allyl Mercaptan 13367 sulfurous, roasted, garlic, onion, alliaceous
Tangeretin 68077 bitter
Isoeugenol 853433 carnation, clove, floral, sweet, woody, flower, spicy, phenolic
Disulfide, methyl 1-propenyl 5366552 Not Available
betaine 247 bland
Phenethyl acetate 7654 tobacco, rose, floral, sweet, honey, fruity, tropical
2-Mercapto-2-Methyl-1-Pentanol 11240503 sulfurous
Phenylacetic Acid 999 honeysuckle, sour, waxy, floral, sweet, honey, civet, flower
Allyl Methyl Disulfide 62434 garlic, onion, alliaceous, green
cis-3-Hexenal 643941 apple, fatty, fruity, leaf, grassy, weedy, green
cinnamaldehyde 637511 spice, warm, red hots, paint, clove, sweet, candy, cinnamon
Allyl Methyl Trisulfide 61926 garlic, onion, creamy, alliaceous
UNII-H5E892YJGG 529388 Not Available
Sinapic Acid 637775 odorless
Cyclopentanone 8452 minty
dimethyl sulfoxide 679 fatty, mushroom, cheesy, garlic, bitter, oily
2-Isopropyl-5-methylcyclohexanone 6986 mint, fresh, peppermint, sweet, cool, minty, green
Acetal 7765 cream, nut, tart, ether, vegetable, earthy, fruit, sweet, honey, green
2-Heptanone 8051 coconut, soap, herbal, sweet, woody, fruity, spicy, cinnamon
2-Phenylethanol 6054 lilac, rose, rose water, honey, rose flower, floral, spice, bitter, rose dried
(+)-Neomenthol 439263 camphoraceous, minty, sweet, mentholic
2,5-Dimethylthiophene 12514 nutty, sulfury
Allyl Isothiocyanate 5971 mustard, pungent, garlic, sulfur, strong, bitter
succinic acid 1110 sour, odorless
NSC5112 5284639 bitter
Dimethyl trisulfide 19310 sulfur, cabbage, sulfurous, onion, fish, savory, meaty, cooked
apigenin 5280443 bitter
phenylacetaldehyde 998 hyacinth, honey, clover, sweet, hawthorne, cocoa, grapefruit, green, peanut, floral, bitter
trans-2-Hexen-1-Ol 5318042 leafy, alcohol, pepper, wine, green, fresh, fruit, unripe banana, fruity, leaf, walnut
5-Methylfurfural 12097 caramel, spice, burnt sugar, maple, almond
3-Phenylpropanoic acid 107 balsamic, rose, fatty, sweet, musk, cinnamon
3-Methyl-1-butanol 31260 oil, alcoholic, burnt, whiskey, malt, banana, fusel, fruity
Propionaldehyde 527 solvent, alcohol, whiskey, wine, earthy, cocoa, pungent, nutty
2-Undecanol 15448 waxy, cotton, fresh, sarsaparilla, clean cloth
benzyl isothiocyanate 2346 watercress, mild, oily, horseradish, dusty, medicinal
2-Tridecanone 11622 coconut, herbal, milky, waxy, fatty, earthy, dairy, nutty
2-(4-Hydroxyphenyl)ethanol 10393 floral, sweet, fruity, mild
Acrolein 7847 cherry, almond
(+)-delta-Cadinene 441005 herbal, woody, thyme, wood, medicine, dry
S-Propyl thioacetate 61295 garlic, onion, sulfurous, green
indole 798 burnt, jasmine, mothball, animal, fishy, floral, moth ball, naphthelene, honey, fecal
Tributyrin 6050 waxy, bitter, fatty, cheese, creamy
2-amino-3-(prop-2-en-1-ylsulfanyl)propanoic acid 98280 roasted, cooked
Dl-Phenylalanine 994 odorless
calcium lactate 13144 odorless
2,3-butanedione 650 butter, caramel, oily, creamy, sweet, pungent, strong
isoliquiritigenin 638278 bitter
3-Methyl-2-Cyclopenten-1-One 17691 fatty, sweet, fruity
Cinnamic Acid 444539 storax, sweet, honey, balsam
Farnesal 5280598 floral, minty
2-Methylpentanal 31245 ethereal, fruity, green
Allyl methyl sulfide 66282 garlic, onion, alliaceous
3,4-Dihydroxybenzaldehyde 8768 almond, medical, bitter, dry
Isorhamnetin 5281654 bitter
Methyl propyl disulfide 16592 mustard, onion, tomato, radish, sulfury
propionic acid 1032 cheesy, soy, acidic, vinegar, rancid, pungent
Methyl propyl trisulfide 5319765 sulfurous, garlic, onion, metallic, green
3-Methylbutanal 11552 peach, sour, chocolate, ethereal, malt, fatty, aldehydic
farnesol 445070 orange, linden, mild, clove, fresh, waxy, floral, muguet, sweet, anise, lily, balsam, angelica, pear, grapefruit
Daidzin 107971 bitter
2-Methylbutyraldehyde 7284 musty, coffee, cocoa, nutty, almond
Styrene 7501 balsamic, gasoline, floral, sweet, balsam, plastic
3-methylthiopropanol 10448 sulfurous, potato, onion, vegetable, sweet, soup
Ethyl Propyl Disulfide 35349 garlic, onion, sulfurous, green
Citral 638011 lemon, citrus, bitter, sweet, sharp, mint
2-Nonanone 13187 soap, herbal, fresh, fishy, hot milk, earthy, sweet, soapy, weedy, green
Methyl jasmonate 5367719 magnolia, jasmine, fresh, waxy, floral, oily, melon, petal
3,4-Dihydroxybenzoic Acid 72 phenolic, balsamic, mild
nicotine 89594 bitter
kaempferol 5280863 bitter
2,6-Dimethoxyphenol 7041 smoke, powdery, balsamic, smoky, bacon, phenol, woody, medicine, phenolic
hydrogen sulfide 402 egg, rotten
CID 644104 644104 grassy, very mild
Taxifolin 439533 bitter
D-mannitol 6251 odorless, sweet
D-Isoleucine Methyl Ester Hydrochloride 53472027 Not Available
indole-3-acetic acid 802 sour, odorless, mild
sulfur dioxide 1119 bitter
Isoquercitrin 5280804 odorless
Dl-Methionine 876 acidic, sulfurous, mild
1-Pyrroline 79803 shrimp, ammoniacal
Menthone 26447 menthol, camphor, peppermint, deep, herbal, raspberry, bitter, camphoraceous
Ethyl Butyrate 7762 apple, pineapple, banana, fruit, fruity, juicy, cognac
Tetrasulfide, dimethyl 79828 sulfur, garlic, cabbage, meaty
Geranyl Acetate 1549026 waxy, rose, lavender, green, floral, bitter
2,3-Dimethylbenzofuran 2734646 tobacco, smoke, smoky, fennel, chemical, phenolic
cis-3-Hexenyl acetate 5363388 apple, fresh, banana, sweet, fruity, grassy, green
isopropanol 3776 woody, bitter, musty, alcohol
Furfuryl Alcohol 7361 coffee, alcoholic, bitter, musty, chemical, caramel, sweet, burnt, bread
phenol 996 phenol, plastic, rubber, phenolic
Allyl Alcohol 7858 mustard, pungent
S-Methyl thioacetate 73750 sulfurous, cabbage, vegetable, egg, dairy, cheese
dimethyl sulfide 1068 sulfur, sulfurous, cabbage, onion, gasoline, vegetable, sulfury, sweet corn, tomato, radish, wild, green
naringenin 439246 bitter
Isobutyraldehyde 6561 malt, fresh, floral, pungent, aldehydic, green
Diallyl tetrasulfide 75552 strong, garlic, onion
P-Cymene 7463 solvent, citrus, spice, gasoline, fresh, woody, terpene
2-Isopropyl-3-Methoxypyrazine 33166 earthy, beany, pea, earth
6-Methyl-5-Hepten-2-One 9862 pepper, apple, mushroom, citrus, musty, rubber, nutty, green, hazelnut, bitter, lemongrass
2-Methyltetrahydrofuran-3-One 18522 solvent, bread, buttery, sweet, nutty
quercetin 5280343 bitter
3-(Methylthio)propionaldehyde 18635 potato, vegetable, tomato, fishy, musty, earthy, creamy, peanut, cooked potato, beef
Octanal 454 lemon, citrus, soap, orange peel, fat, waxy, fatty, aldehydic, green
Allyl propyl sulfide 98781 garlic, onion, green
Ethyl Levulinate 10883 berry, pineapple, floral, sweet, fruity, rhubarb, green
hydrogen cyanide 768 bitter
Benzyl Benzoate 2345 oil, pineapple, balsamic, herbal, strawberry, oily, faint, sweet, balsam, cherry, almond, herb, cheese
Diisopropyl trisulfide 80046 garlic, sulfury
2-isopropyl-6-methoxypyrazine 106441 Not Available
Diallyl Sulfide 11617 sulfurous, garlic, onion, horseradish, metallic
trans-3-Hexen-1-ol 5284503 moss, bitter, fresh, fatty, earthy, intensely, green
Pyruvic acid 1060 acetic, sour, sharp, caramellic
Ethyl Acetate 8857 pineapple, ethereal, sweet, anise, fruity, balsam, weedy, green
(Z)-Hex-4-enal 11094547 vegetable, green
4-Hexen-3-One 5365811 ethereal, pungent, tropical, metallic, spicy, green
Butyl propyl disulfide 522458 sulfurous
Neral 643779 lemon, lemon peel, sweet, citral
2-Furaldehyde 7362 fragrant, bread, woody, sweet, baked, almond
2-Undecanone 8163 orange, waxy, fresh, fatty, floral, iris, creamy, fruity, orris, green
3-Methyl-2-butenal 61020 brown, sweet, pungent, fruity, cherry, nutty, almond
3-Pentanone 7288 ethereal, acetone, ether
Furfuryl acetate 12170 horseradish, sweet, fruity, banana
Diallyl Disulfide 16590 garlic, onion, metallic, alliaceous
2-Furylacetone 228583 radish, spicy
1-propanol 1031 alcoholic, fermented, alcohol, musty, fusel, pungent, peanut
33368-82-0 57357963 sulfurous, alliaceous
Heptanal 8130 citrus, ozone, fat, herbal, fresh, wine-lee, rancid, fatty, aldehydic, green
acetone 180 solvent, apple, pear, ethereal
3-Methylcyclopentane-1,2-dione 61209 Not Available
2-Butanone 6569 ethereal, ether, fruity, acetone, camphor
2-Acetyl-5-Methylfuran 14514 coconut, coumarin, milky, musty, hay, strong, nutty
D-Lactic acid 61503 acidic, odorless
4-hydroxybenzaldehyde 126 woody, sweet, balsam, nutty, almond
Dipropyl disulfide 12377 burnt, onion, sulfury, earthy, green
Diallyl trisulfide 16315 garlic, onion, metallic, green
luteolin 5280445 bitter
2-Methyl-2-Pentenal 5319754 Not Available
p-coumaric acid 637542 balsam, balsamic
Acetovanillone 2214 vanilla, sweet, vanillin, faint
UNII-M41Y60O5BZ 12376292 grass, powerful, gassy, fruity, green