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Threshold values for esters and their concentration in lager beer (Meilgaard, 1975; Dufour and Malcorps, 1994).
| Compound | Threshold level (ppm) | Concentration range (ppm) | Flavour description |
|---|---|---|---|
| Ethyl acetate | 30 | 8–32 | Fruity, solvent‐like |
| Isoamyl acetate | 1.2 | 0.3–3.8 | Banana, pear |
| Phenyl ethyl acetate | 3.8 | 0.10–0.73 | Roses, honey |
| Ethyl hexanoate | 0.23 | 0.05–0.21 | Apple, fruity, sweetish |
| Ethyl octanoate | 0.9 | 0.04–0.53 | Apple, aniseed |
