Table 2 Overview of selected characters of members of Penicillium series Roqueforti (after Frisvad & Samson 2004, Sumarah et al. 2005, Nielsen et al. 2006, O’Brien et al. 2006, Månsson et al. 2010). See Karlshoj & Larsen (2005) for further differences in volatiles.
Species | Ehrlich reaction | Reverse on YES | Cleistothecia/sclerotia | Growth rate on CYA30 °C (mm) | Extrolites** |
|---|---|---|---|---|---|
P. carneum | Violet | Cream-beige | − | 15–30 | Roquefortine C, isofumigaclavine A&B, mycophenolic acid, patulin, cyclopaldic acid, penitrem A, andrastin A, (penicillic acid in CBS449.78) |
P. paneum | Negative | Cream yellow/beige* | − | 30–45 | Roquefortine C, marcfortin A, patulin, andrastin A, citreoisocoumarin, (botryodiploidin) |
P. psychrosexualis | Negative | Mustard-yellow | + | 15–25 | Andrastin A, mycophenolic, patulin and roquefortine C and the uncharacterized extrolite tentatively named “fumu” |
P. roqueforti | Violet | Blackish green | − | (0–)5–15 | Roquefortine C, isofumigaclavine A&B, PR-toxin, andrastin A, citreoisocoumarin, (mycophenolic acid) |