Table 4. Biochemical characterization of S. quercinus, S. illinoinensis, and S. virginianus.
| S. quercinus | S. illinoinensis | S. virginianus | ||
| Fermentation | ||||
| F1 | D-Glucose | + | + | +, f |
| F2 | D-Galactose | + | + | + |
| F3 | Maltose | w | + | + |
| F4 | α-Methyl-D-glucoside | - | - | - |
| F5 | Sucrose | - | - | - |
| F6 | α,α- Trehalose | + | + | + |
| F7 | Melibose | - | w | - |
| F8 | Lactose | - | - | - |
| F9 | Cellobiose | - | - | - |
| F10 | Melezitose | - | - | - |
| F11 | Raffinose | - | - | - |
| F12 | Inulin | - | - | - |
| F13 | Starch | - | - | - |
| F14 | D-Xylose | + | + | + |
| Assimilation | ||||
| C1 | D-Glucose | +, f | +, f | + |
| C2 | D-Galactose | +, f | +, f | +, f |
| C3 | L-Sorbose | +,d | - | w |
| C4 | D-Glucosamine | w | - | + |
| C5 | D-Ribose | +,d | +,d | +, d |
| C6 | D-Xylose | + | + | + |
| C7 | L-Arabinose | +,d | + | + |
| C8 | D-Arabinose | w | + | w |
| C9 | L-Rhamnose | - | + | w |
| C10 | Sucrose | + | + | + |
| C11 | Maltose | + | +, f | + |
| C12 | Trehalose | + | +, f | + |
| C13 | α-Methyl-D-glucoside | + | + | + |
| C14 | Cellobiose | + | + | + |
| C15 | Salicin | + | + | + |
| C16 | Arbutin | + | + | + |
| C17 | Melibiose | - | + | + |
| C18 | Lactose | - | - | + |
| C19 | Raffinose | - | - | w |
| C20 | Melezitose | - | + | +, d |
| C21 | Inulin | w | w | + |
| C22 | Soluble Starch | + | + | + |
| C23 | Glycerol | + | + | + |
| C24 | Erythritol | + | + | + |
| C25 | Ribitol | + | + | + |
| C26 | Xylitol | +, d | + | w |
| C27 | L-Arabinitol | +, d | +,d | - |
| C28 | D-Glucitol | + | + | + |
| C29 | D-Mannitol | + | + | + |
| C30 | Galactitiol | +, f | +, f | w |
| C31 | myo-Inositol | - | - | w |
| C32 | D-Glucono-1,5-lactone | + | + | + |
| C33 | 2-Keto-D-gluconate | + | +,f | +, f |
| C34 | 5-Keto-D-gluconate | ? | ? | ? |
| C35 | D-Gluconate | + | +,d | + |
| C36 | D-Glucuronate | - | - | - |
| C38 | DL-Lactate | + | +,d | - |
| C39 | Succinate | + | + | + |
| C40 | Citrate | +, d | + | + |
| C41 | Methanol | - | - | - |
| C42 | Ethanol | +, f | +,f | +, f |
| C43 | Propane 1,2 diol | +, d | w | w |
| C44 | Butane 2,3 diol | w | - | w |
| C45 | Quinic acid | - | - | w |
| C46 | D-Glucarate | - | - | - |
| Temperature | ||||
| T1 | 30°C | + | + | + |
| T2 | 35°C | +, f | +,f | + |
| T3 | 37°C | - | +,d | - |
| Osmotic pressure | ||||
| O1 | 0.01% Cycloheximide | +, f | +, f | +, f |
| O2 | 0.1% Cycloheximide | +, f | +, f | +,f |
| O3 | 1% Acetic Acid | - | - | - |
| O4 | 50% D-Glucose | + | + | + |
| O5 | 60% D-Glucose | w | + | w |
| O6 | 10% NaCl | + | + | w |
| O7 | 16% NaCl | - | - | - |
| Nitrogen assimilation | ||||
| N1 | Nitrate | - | +, d | + |
| N2 | Nitrite | - | +, d | - |
| N3 | Ethylamine | + | + | + |
| N4 | L-Lysine | +, d | - | + |
| N5 | Cadaverine | + | w | - |
| N6 | Creatine | - | - | - |
| N7 | Creatinine | - | - | - |
| N8 | D-Glucosamine | + | + | + |
| N9 | Imidazole | - | - | - |
| N10 | D-Tryptophan | + | + | + |
| Vitamins | ||||
| V1 | w/o Vitamins | - | - | - |
| V2 | w/o myo-Inositiol | +, d | w | + |
| V3 | w/o Pantothenate | + | + | + |
| V4 | w/o Biotin | + | - | - |
| V5 | w/o Thiamin | + | + | + |
| V6 | w/o Biotin & Thiamin | - | - | w |
| V7 | w/o Pyridoxine | + | + | + |
| V8 | w/o Pyrid. &Thiam | + | + | + |
| V9 | w/o Niacin | + | + | + |
| V10 | w/o PABA | + | + | + |
Abbreviations for reaction results: +, positive; -, negative; d, delayed positive; w, weak positive.