Perflavory Information Listings
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Flavor Descriptors for onion
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Primary (First) - onion
FL/FR2-acetyl thiophene
 odor: sulfurous nutty hazelnut walnut
 flavor: onion, malty, roasted
FL allium porrum extract
 odor: alliaceous onion
 flavor: alliaceous onion
FL allyl disulfide
 odor: Alliceous, onion and garlic-like with metallic nuances
 flavor: Green onion and garlic-Iike with meaty nuances
FL allyl mercaptan
 odor: Sulfurous and alliaceous, sauteed onion and garlic, roasted, grilled and charred meaty nuances
 flavor: Alliaceous onion, garlic and leek. It has meaty bouillon savory nuances
FL allyl thiopropionate
 odor: Fresh onion garlic-like with green gassy nuances
 flavor: Fresh onion with a green sweet vegetable nuance
 benzyl propanesulfinate
 odor: cooked cabbage sauerkraut
 flavor: onion-beef broth
 cyclopentyl propanesulfinate
 odor: sweet onion
 flavor: sweet taste of steamed onions
FL diallyl polysulfides
 odor: garlic onion
 flavor: sulfurous
FL diallyl tetrasulfide
 odor: strong garlic onion
 flavor: sulfurous
FL diallyl trisulfide
 odor: garlic green onion metallic
 flavor: sulfurous green onion garlic metallic
FL diallyl trisulfide
 odor: garlic green onion metallic
 flavor: sulfurous green onion garlic metallic
FL dicyclohexyl disulfide
 odor: Alliaceous, onion, egg, nut skin, coffee, clam, crab and coffee
 flavor: Onion, meaty, clam, crab, coffee and cocoa
FL(±)-3,5-diethyl-1,2,4-trithiolane
2,4-dimethyl-1,3-dithiolane
 flavor: onion metallic sulfurous
3,5-dimethyl-1,2-dithiolane
 odor: sulfurous onion cooked onion
 flavor: cooked onion cooked vegetable nutty
1,3-dithiane
 odor: alliaceous roasted
 flavor: onion garlic metallic
FL/FR ethyl 2-mercaptopropionate
 odor: sulfury meaty green onion
 flavor: onion cooked garlic
 furfuryl propyl sulfide
 flavor: onion
FL furfuryl isopropyl sulfide
 odor: coffee savory meaty floral
 flavor: onion
2-mercaptopyrimidine
 odor: penetrating sharp green onions
 flavor: burning onions
FL methionol
 odor: SuIfureous and onion-like with a sweet, savory, soupy-cooked vegetable nuance
 flavor: Onion- and garlic-like, with a savory bouillion-like note
2-methyl-1,3-dithiane
 flavor: onion metallic
4-methyl-1,3-dithiane
 flavor: onion garlic tomato sulfurous
3-methyl-1,2-dithiolane
 flavor: onion metallic cooked beef braised vegetable
4-methyl-1,2-dithiolane
 flavor: onion rooty vegetable
4-methyl-1,3-dithiolane
 odor: sulfurous alliaceous tomato
 flavor: onion rooty vegetable
 methyl propanesulfinate
 odor: cooked onion with fruity and light sweet aroma backnotes
 flavor: sweet onion juice character with a burning sensation
FL methyl propyl disulfide
 odor: Sulfureous, alliaceous, radish, mustard, tomato, potato and garlic
 flavor: Onion, garlic, tomato, potato, alliaceous and vegetative
2-methyl-5-propyl thiophene
 flavor: onion
FL methyl propyl trisulfide
 odor: Sulfureous, onion, garlic, green, metallic and clean with a cooked scallion nuance
 flavor: Onion, garlic, fresh and metallic with a cheese nuance
FD onion
 flavor: onion
FDgreen onion
FDgreen onion
FL onion flavor
FLcaramelized onion flavor
FLfried onion flavor
FLgreen onion flavor
FLgreen onion flavor
FLgrilled onion flavor
FLmaui onion flavor
FLred onion flavor
FLroasted onion flavor
FLsauteed onion flavor
FLtoasted onion flavor
FLvidalia onion flavor
FLwhite onion flavor
FLyellow onion flavor
FL onion juice concentrate
 flavor: onion
FL/FR onion oil
 odor: obnoxious sulfide onion
 flavor: alliaceous onion
FL/FR onion oil CO2 extract
 odor: obnoxious sulfide onion
 flavor: onion
FL/FR onion oil dutch
 odor: obnoxious sulfide onion
 flavor: onion
FL/FR onion oil egypt
 odor: obnoxious sulfide onion
 flavor: onion
FL onion oil extenders
 flavor: onion
FL/FR onion oil mexico
 flavor: onion
FL onion oleoresin
 flavor: onion
FLfried onion oleoresin
 flavor: onion fried
FL/FRgreen onion oleoresin
 flavor: green onion
FL/FRgreen onion oleoresin
 flavor: green onion
FLsauteed sweet onion oleoresin
 flavor: onion
 propyl propanesulfinate
 odor: sweet fresh onion juice
 flavor: strong onion
FL propyl thioacetate
 odor: Sulfureous green onion, garlic, scallion, green fresh, vegetative
 flavor: Onion, garlic sulfureous, alliaceous with a fresh green nuance
FL scallion flavor
FL shallot flavor
FLfried shallot flavor
FLroasted shallot flavor
FLtoasted shallot flavor
FL shallot oil
 odor: alliaceous sulfurous onion
 flavor: Sweet, sulfureous, alliaceous, pungent with a toasted-onion nuance
FL shallot oleoresin
 flavor: onion
FLfried shallot oleoresin
 flavor: fried onion
FL3-tetrahydrothiophenone
 odor: Alliaceous, cooked meaty with green vegetable nuances
 flavor: alliaceous onion garlic coffee chive
FL truffle sulfide
 odor: Pungent, metallic, alliaceous, garlic and mustard like with mushroom and horseradish nuances
 flavor: Alliaceous, sulfurous fresh onion and garlic-like with cruciferous vegetable nuances of cabbage, spicy nuances of mustard and horseradish
Secondary (Second) - onion
FL allyl disulfide
 odor: Alliceous, onion and garlic-like with metallic nuances
 flavor: Green onion and garlic-Iike with meaty nuances
FL allyl sulfide
 odor: Pungent, sulfurous, onion-garlic and horseradish-like with a metallic nuance
 flavor: Sulfurous, onion-garlic and vegetative radish-like with a slightly hot nuance
FL butter onion garlic flavor
FL chive extract
 flavor: chive
FL chive flavor
FL cyclopentyl mercaptan
 odor: Alliaceous, onion, garlic, horseradish, vegetable-celery, egg, sauteed meat
 flavor: Alliaceous, onion, garlic, horseradish, meat, egg, burned, vegetable, celery
FL diethyl disulfide
 odor: gassy ripe onion greasy garlic
 flavor: gassy onion
2,4-dimethyl-1,3-dithiane
 flavor: alliaceous onion metallic
1,3-dithiolane
 odor: sweet sulfurous onion
 flavor: sweet sulfurous ripe onion
FL/FR ethyl (E)-2-crotonate
 odor: Pungent, chemical and diffusive, with sweet alliaceous and caramellic rum-like nuances
 flavor: Musty, onion and garlic, caramellic and brown notes
FL/FR ethyl methyl mercaptopropionate
 odor: Sulfureous, metallic, pineapple, fruity ripe, pulpy and tomato
 flavor: Sulfureous, onion garlic, pineapple, rumy, vegetative
FLS-ethyl thioacetate
 odor: Sulfuraceous, fruity, onion / garlic with meaty nuances
 flavor: Sulfuraceous, onion / garlic with a sweet fruity aftertaste
FL/FR1-furfuryl pyrrole
 odor: plastic green waxy fruity coffee vegetable
 flavor: Vegetative, onion, sharp and metallic
2-(furyl-2)-ethanthiol acetate
 flavor: burnt, onion, mushroom
2-(2-furyl)ethanethiol
 flavor: burnt, onion, caramel
2-(1-mercaptoethyl) furan
 flavor: burnt onion caramellic
FL3-mercapto-2-methyl-1-butanol
 odor: sulfurous
 flavor: strong onion-like, brothy
2-mercaptopyrimidine
 odor: penetrating sharp green onions
 flavor: burning onions
FL methional diethyl acetal
 odor: pungent cabbage
 flavor: mushroom onion green sweet tomato garlic
FL methyl ethyl disulfide
 odor: sulfurous truffle
 flavor: sulfurous onion
FL/FR methyl furfuryl disulfide
 odor: Roasted coffee, sulfurous cooked meat and liver, onion and garlic nuances. Slight eggy undertones
 flavor: Roasted coffee, toasted onion and garlic, with roasted beef and fried pork nuances
FL methyl 3-mercaptobutanoate
 flavor: pungent alliaceous onion
FL methyl 5-methyl furfuryl sulfide
 flavor: mustard, onion-like
FLcaramelized onion oleoresin
 flavor: sulfurous onion caramellic
 pyrazinemethyl ethyl sulfide
 flavor: cabbage, onion
FL thialdine
 odor: sulfurous nutty hazelnut corn meaty earthy clam
 flavor: sulfurous green onion radish garlic cooked onion earthy brothy
2-(thienyl-2)-ethanethiol acetate
 flavor: burnt, onion
FLortho-thiocresol
 odor: Meaty,sulfuraceous, onion, garlic, egg, chemical, rubber, naphthyl and musty
 flavor: Meaty, onion, garlic, chemical and metallic
FL2,4,6-trithiaheptane 10% in triacetin
 odor: sulfurous cooked roasted
 flavor: sulfurous onion
Tertiary (Third) - onion
FL allyl methyl sulfide
 odor: alliaceous garlic onion
 flavor: sulfurous alliaceous onion savory
FL/FR dibutyl sulfide
 odor: green grassy violet-leaf herbal rose geranium
 flavor: Green, vegetative, onion garlic, horseradish, savory
FL furfuryl thiopropionate
 odor: Sulfureous, coffee-like, onion and garlic, with a sauteed savory nuance
 flavor: Sulfureous, coffee, onion and garlic-like with meaty savory roast nuances
FL garlic oleoresin
 odor: Roasted, onion, garlic, with sulfury savory HVP-like nuances
 flavor: Burnt, roasted, sauteed, onion and garlic
FL leek flavor
FL(R,S)-2-mercapto-3-butanol
 odor: SuIfureous, roasted meat, alliaceous, sauteed onion and garlic
 flavor: Meaty, savory, sauteed onion and garlic
FL3-mercapto-2-pentanone
 odor: Intense sulfurous, alliaceous and catty. It has nutty hazelnut note with savory roasted meaty nuances. It has faint nuances of tropical fruits and grapefruit
 flavor: Intense alliaceous, sulfurous, onion with full bodied savory notes of roasted meat
FL2-methyl-1,3-dithiolane
 odor: sulfurous alliaceous smoky savory vegetable
 flavor: cooked roasted onion
FL methyl 4-(methyl thio) butyrate
 odor: sulfury cabbage fruity pineapple cheese
 flavor: sulfurous garlic green onion chive green cheesy
FL/FR2-methyl 5-(methyl thio) furan
 odor: Sulfureous, onion, garlic, coffee and mustard-like with pungent horseradish and peppery nuances
 flavor: Musty, mustard, onion, garlic, mushroom, coffee and savory nuances
FL2-methyl thioacetaldehyde
 odor: Sulfureous, vegatative, onion, garlic, mustard and nutty with a potato nuance
 flavor: Alliaceous and vegetative with a good mouthfeel and onion and garlic-like with a potato and bready nuance
2-(thienyl-2)-ethanethiol
 flavor: burnt, coffee grounds, onion
Quaternary (Fourth) - onion
FL2-methyl-1,3-dithiolane
 odor: sulfurous alliaceous smoky savory vegetable
 flavor: cooked roasted onion
FL2-methyl thiophene
 odor: sulfurous alliaceous onion roasted green
 flavor: sulfurous roasted green cabbage onion bitter
FL/FR propyl mercaptan
 odor: cabbage natural gas sweet onion
 flavor: alliaceous fresh meaty onion sulfurous
Quinary (Fifth) - onion
FLalpha-benzylidene methional
 odor: vegetative sauerkraut, kimchi, cabbage, soy beans, green onion nuances
 flavor: Vegetative sauerkraut, kimchi, cabbage, soy beans, green onion nuances
FL/FR coffee difuran
 odor: Sulfurous, coffee, furfuryl mercaptan, roasted, meaty, onion and cabbage, potato
 flavor: Sulfurous, coffee, roasted meaty, onion
FL/FR ethyl vinyl ketone
 odor: Pungent, etherial, lifting, peppery, garlic, mustard and onion
 flavor: Pungent, etherial, peppery, garlic, onion, fishy and mustard with a hot nuance
FL garlic distillates
 flavor: garlic
FL garlic flavor
FL3-mercapto-2-methyl pentanal
 odor: sulfurous, , savory grilled or roasted beef and cooked chicken like, alliaceous, garlic with tropical fruit and cultured dairy nuances
 flavor: Sulfureous, alliaceous, roasted savory with cooked onion and sauteed garlic notes and tropical fruit nuances of mango and passionfruit
FL methyl benzyl disulfide
 odor: Sulfureous cabbage-like, vegetative with a green metallic nuance
 flavor: Sulfureous, vegetative, metallic, green, with an onion nuance
FLbis(2-methyl-3-furyl) disulfide
 odor: Sulfurous, strong roasted meaty with a note reminiscent of sulfurol, savory, au jus and chicken nuances
 flavor: Strong meaty, sulfurous, brothy with a hint of thiamin, roasted savory, with nuances of cooked onion, sauteed garlic and black pepper
FL methyl 2-(methyl thio) butyrate
 odor: sulfurous musty onion fruity tropical green
 flavor: sulfury savory eggy vegetable onion fruity tropical
FL methyl thiomethyl butyrate
 odor: Sulfureous, musty, onion, savory, fruity and tropical with vegetative nuances
 flavor: Sulfureous, savory, eggy, vegetative and onion with fruity, tropical nuances
FLisopropyl mercaptan
 odor: strong ripe onion gassy meaty sulfurous
 flavor: Soft-boiled egg yolk, hydrogen sulfide, rich mouth feel, strong poultry, leek and onion-like
FL thialdine
 odor: sulfurous nutty hazelnut corn meaty earthy clam
 flavor: sulfurous green onion radish garlic cooked onion earthy brothy
Senary (Sixth) - onion
FL butyl mercaptan
 odor: Sulfureous, fatty, stewed beef, sauteed onion, egg, coffee and garlic
 flavor: Sulfureous, vegetative, savory meaty, garlic and onion
FL1,4-dithiane
 odor: Seafood-like, solvent, garlic and onion, pyridine like
 flavor: Seafood-like, clam and oyster fermented garlic and onion, mushroom and turkey
FL/FR methional
 odor: Vegetable oil. Creamy tomato, potato skin and French fry, yeasty, bready, limburger cheese with a savory meaty brothy nuance
 flavor: Musty tomato, potato, vegetative, mold ripened cheeses, onion, beefy brothy and egg and seafood nuances
FL3-methyl-2-butane thiol
 odor: sulfurous, savory burnt rubber, roasted chicken and pork meaty with nuances of roasted coffee, cultured cheeses and roasted cashew nuts.
 flavor: sulfurous, savory fried meaty, fried fatty with coffee and cooked onion nuances with a slight tongue bite
FL1-(methyl thio)-2-butanone
 odor: fresh radish, mustard, horseradish and wasabi like with alliaceous onion and savory metallic and vegetative nuances.
 flavor: sulfurous, cabbage and radish, horseradish, toasted onion and dairy like nuances
Septenary (Seventh) - onion
FL/FR3-mercaptohexyl acetate
 odor: floral fruity pear tropical passion fruit blackberry raspberry black currant bud
 flavor: sulfurous tropical fruit passion fruit black currant bud roasted meaty onion durian
FL/FR2-octen-4-one
 odor: Yeasty, fruity, mushroom, metallic, bready, pineapple, horseradish, earthy
 flavor: Vegetable green earthy, horseradish, anchovy, earthy, ketonic, onion, musty, tropical lift, yeasty, bready, mushroom, fermented
FL/FR passiflora acetate
 odor: Sulfurous, metallic, buchu-like cattiness, sweet fruity tropical with lingering apricot and peach notes. Green vegetative with onion and garlic notes. Slight burnt rubber nuances
 flavor: Sulfurous, juicy, tropical fruit with fuzzy guava and passion fruit notes. Savory boiled egg and cooked onion
Octonary (Eighth) - onion
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