| Primary (First) - tart |
| FL | | anacardium occidentale fruit puree |
| | odor: Fruity and tropical, reminiscent of apricot and mango, with a unique green grape-like nuance |
| | flavor: Tangy, tropical, apricot, mango and guava with a deep orange color and a hint of green character |
| FL | | aristotelia chilensis fruit juice |
| | flavor: tart sweet |
| CS | | aristotelia chilensis leaf extract |
| | flavor: tart sweet |
| FL | | carambole flavor |
| FL | | mangosteen flavor |
| FL | | maqui flavor |
| FL | | rhubarb distillates |
| | flavor: rhubarb |
| FL | | rhubarb flavor |
| FL | | rhubarb juice concentrate |
| | flavor: rhubarb |
| FL | | sea buckthorn flavor |
| FL | | tartaric acid |
| | flavor: tart acidic |
| FL | dextro,laevo- | tartaric acid |
| | odor: very mild caramellic |
| | flavor: tart acidic |
| FL | laevo-(+)- | tartaric acid |
| | flavor: tart acidic |
| FL | | yumberry flavor |
| Secondary (Second) - tart |
| FL | | cloudberry flavor |
| FL | | cranberry distillates |
| | flavor: cranberry |
| FL | | cranberry flavor |
| FL | | cranberry fractions |
| | flavor: cranberry |
| FL/FR | | diethyl succinate |
| | odor: mild fruity cooked apple ylang |
| | flavor: fruity tart tropical floral passion fruit |
| FL | | elder berry flavor |
| FL | | loganberry flavor |
| FL/FR | | punica granatum fruit water |
| | odor: pomegranate |
| | flavor: pomegranate |
| FL | | rosa canina seed extract |
| | odor: caramel woody cocoa |
| | flavor: floral tart tangy sweet hibiscus |
| FL | | tomato distillates |
| | flavor: tropical tart acidic green fruity vegetable earthy umami |
| FL | | tomato flavor |
| Tertiary (Third) - tart |
| FL | | acai flavor |
| FL | | acai fruit distillates |
| | flavor: fruity berry |
| FL | | acai fruit juice concentrate |
| FL | | apple concentrate |
| | flavor: apple fruity tart sour |
| FL | | apple distillates |
| | flavor: apple |
| FL | | apple flavor |
| FL | delicious | apple flavor |
| FL | fuji | apple flavor |
| FL | gala | apple flavor |
| FL | golden delicious | apple flavor |
| FL | granny smith | apple flavor |
| FL | mcintosh | apple flavor |
| FL | pippin | apple flavor |
| FL/FR | | ethyl 3-hexenoate |
| | odor: fruity pineapple green tart candy metallic tropical rhubarb weedy cheesy |
| | flavor: fruity green tart pineapple tropical winey grape quince |
| FL | | grenadine flavor |
| FL | | huckleberry flavor |
| FL | | lingonberry flavor |
| FL | | mulberry flavor |
| FL/FR | sweet | orange peel oil folded |
| | odor: sweet fresh juicy tangy orange peel citrus |
| | flavor: sweet juicy orange fresh peel |
| FL | | peach distillates |
| | flavor: fruity juicy tart lactonic creamy dried fruit peely waxy |
| FL | | peach flavor |
| FL | | sauerkraut flavor |
| FL/FR | | tropical trithiane |
| | odor: Sulfurous, burnt meaty, green, fruity, blackcurrant, black berry, cooling, catty and tropical with a grapefruit nuance |
| | flavor: Fruity, sulfureous, tangy berry, with cooling catty minty blackcurrant and tropical nuances |
| Quaternary (Fourth) - tart |
| FL | | apple cranberry flavor |
| FL | red delicious | apple flavor |
| FL | sour | apple flavor |
| FL | | apple juice flavor |
| FL | | citrus flavor |
| FL | | ketchup flavor |
| FL | | kumquat flavor |
| FL | | lemon flavor |
| FL/FR | | lemon oil c.p. california |
| | odor: fresh lemon peel sweet citrus aldehydic terpenic aromatic tart spicy candy |
| | flavor: citrus lemon aldehydic terpenic tart aromatic sour |
| FL/FR | meyer | lemon oil cold pressed |
| | odor: fresh lemon lemon peel sweet citrus aldehydic terpenic aromatic tart spicy candy |
| | flavor: citrus lemon lemon peel aldehydic terpenic tart sour fatty |
| FL | | lime flavor |
| FL | | limequat flavor |
| FL | | plum flavor |
| FL | | tamarind flavor |
| Quinary (Fifth) - tart |
| FL | green | apple concentrate |
| | flavor: green apple |
| FL | green | apple flavor |
| FL | | apple sauce flavor |
| FL | | apple spice flavor |
| FL/FR | | zanthoxylum piperitum fruit absolute CO2 extract |
| | odor: spicy fresh allspice bay citrus mandarin bergamot oriental metallic |
| | flavor: spicy allspice citrus bergamot tart zesty acetic bay warm |
| Senary (Sixth) - tart |
| FL | | apricot flavor |
| FL | | prunus spinosa extract |
| | odor: berry, plum, sweet, acidic and sour with a juicy nuance |
| | flavor: Berry, fruity, raspberry, blueberry and juicy with a tart and sour aftertaste |
| FL | | sloeberry flavor |
| Septenary (Seventh) - tart |
| FL/FR | | dimethyl succinate |
| | odor: estery fruity green floral rummy tutti frutti bubble gum papaya |
| | flavor: fruity green rummy winey cognac sour tart waxy |
| FL | | grape flavor |
| FL | | kiwi flavor |
| Octonary (Eighth) - tart |