| Primary (First) - grain |
| FL | | grain flavor |
| FL | | granola flavor |
| FL | wheat | malt distillate |
| | flavor: malty grain |
| FL | | oat malt distillates |
| | flavor: grainy |
| FD | | oatmeal |
| | flavor: oatmeal |
| | rolled | oatmeal |
| | flavor: oatmeal |
| FL/FR | | rice bran absolute |
| | odor: cooked rice hay spicy toasted grain creamy custard nut skin woody powdery |
| | flavor: toasted grain hay nut skin spicy oily custard creamy woody |
| Secondary (Second) - grain |
| FR | | bran absolute |
| | odor: cereal grain molasses honey hay tobacco |
| | flavor: cereal grain honey floral malty |
| FR | | bran resinoid |
| | odor: cereal grain molasses honey hay tobacco |
| FL | | cereal flavor |
| FL | | rice distillates |
| | flavor: nutty |
| FL | | rice flavor |
| Tertiary (Third) - grain |
| FL | | barley flavor |
| FL | | butyraldehyde |
| | odor: pungent cocoa musty green malty bready |
| | flavor: Cocoa, green, grainy, fermented |
| FL | | cereal flavor |
| FL/FR | | ethyl formate |
| | odor: ethereal green alcohol rose cognac |
| | flavor: Etherial, sweet, grainy, fruity, winey and cognac |
| FL | | malt flavor |
| FL | | popcorn flavor |
| FL/FR | | trigonella foenum-graecum seed extract |
| | odor: celery spicy coumarinic balsamic sweet lovage opoponax |
| | flavor: Roasted, bready and grainy with savory, vegetative and whiskey nuances |
| FL/FR | | trigonella foenum-graecum seed oil CO2 extract |
| | odor: Sweet, roasted, grainy, bready, brown, nutty, cocoa, coffee and caramellic nuances |
| | flavor: Roasted, nutty, grainy, bread, brown and meaty nuances |
| Quaternary (Fourth) - grain |
| FL/FR | 2- | acetyl-3-methyl pyrazine |
| | odor: nutty nut flesh roasted hazelnut toasted grain corn chip vegetable nut skin caramellic |
| | flavor: nutty nut flesh roasted hazelnut toasted grain potato chip baked potato nut skin vegetable |
| FL | 2- | acetyl-2-thiazoline |
| | odor: corn chip taco potato chip toasted bread nutty |
| | flavor: Taco chips, slightly popcorn, toasted and roasted grain, salty impression |
| FL | | beer flavor |
| FL | bantu | beer flavor |
| FL | | gingerbread flavor |
| FL | | graham cracker flavor |
| FL | | horchata flavor |
| FL/FR | 5- | methyl furfural |
| | odor: Sweet, caramellic, bready, brown, coffee-like |
| | flavor: Sweet, brown, caramellic, grain, maple-like |
| FL/FR | | nutty pyrazine |
| | odor: Sweet, nutty, roasted, toasted, grainy, coffee and corn with savory, meaty nuances |
| | flavor: Musty, nutty, roasted and grainy with coffee notes |
| Quinary (Fifth) - grain |
| FL/FR | 2- | acetyl-3,5(or 6)-dimethyl pyrazine |
| | odor: nutty roasted hazelnut roasted peanut popcorn corn chip toasted grain nut flesh peanut butter |
| | flavor: nutty roasted hazelnut roasted peanut popcorn toasted grain nut flesh peanut butter |
| FL/FR | 1- | hydroxy-2-butanone |
| | odor: Sweet, brown, coffee, musty, grain- and pyrazine-like with malt and butterscotch nuances |
| | flavor: Brown, oily and alcoholic with toasted grain notes |
| FL/FR | | nutty cyclohexenone |
| | odor: Sweet, nutty, phenolic, walnut, fruity, almond and benzoin |
| | flavor: Nutty, musty, phenolic and woody with grain-like nuances |
| Senary (Sixth) - grain |
| FL | | nut flavor |
| Septenary (Seventh) - grain |
| Octonary (Eighth) - grain |