eISSN 1738-8872
pISSN 1017-7825
pISSN 1017-7825
Table. 1.
Table. 1.
Composition analysis of baker's yeast and brewer's yeast after treatment.
| Yeast species | Treatment process | Condition | Yeast cell suspension solids Content (w/v%) | Components | Reference |
|---|---|---|---|---|---|
| Baker’s yeast | Autolysis | 50°C, pH 5.0, 24 h | - | Protein: 52.5%, total solids: 1.98% | [116] |
| Autolysis | 55°C, pH 5.0, 2 h | 13% | Total nitrogen: 11.2%, dry matter: 2%, β-glucan: 27%, trehalose: 1% | [117] | |
| Autolysis | 55°C, pH 5.5, 48 h | 15% | Protein: 14.4%, solids: 42.6% | [8] | |
| Autolysis and enzymatic hydrolysis | 52°C, pH 5.2, 120 rpm for 72 h, then adding 2.5% papain and 0.025% lyase | 50% | Protein: 56.75 g/l, solids: 59.84%, carbohydrate: 9.83 g/l | [50] | |
| Autolysis and enzymatic hydrolysis | 57.5°C, pH 5.5, 2 h, then adding 0.6‰ papain and 0.2‰ β-glucanase | 13% | Total nitrogen: 10.8%, dry matter: 2.25%, β-glucan: 27%, trehalose: 1.02% | [117] | |
| Plasmolysis | 55°C, pH 5.5, 1.5% (v/v) ethyl acetate, 48 h | 15% | Protein: 20.91%, solids: 45.2% | [8] | |
| Plasmolysis and enzymatic hydrolysis | 48°C, pH 5.2, 1.5% ethyl acetate, 0.5% β-glucanase, 0.5% protease, 150 rpm for 24 h | 18% | Solids: 51%, total nitrogen: 106 mg/g, α-amino nitrogen: 60 mg/g | [118] | |
| Enzymatic hydrolysis | 55°C, pH 7.0, 0.2% (w/w) alkaline protease, 48 h | 15% | Protein: 27.9%, solids: 52.1% | [8] | |
| Brewer’s yeast | Autolysis | 50°C, pH 6.0, 24 h | 15% | Protein: 48.7%, solids: 56.8%, α-amino nitrogen: 3.9% | [61] |
| Autolysis | 55°C, pH 5.5, 50 h | 11.25% | Protein: 32%, α-amino nitrogen: 4.9% | [119] | |
| Autolysis | 50°C, pH 6.5, 20 h | 18% | Total nitrogen: 8.2%, α-amino nitrogen: 4.5% | [120] | |
| Autolysis | 70°C, pH 6.0, 4 h | - | Protein: 57.8%, sugar: 32.5%, ash: 6.9% | [121] | |
| Physical disruption | Glass bead breakage | - | Protein: 64%, solids: 14%, α-amino nitrogen: 3.79%, fat: 1.32%, carbohydrate: 12.9%, RNA: 4% | [6] | |
| Enzymatic hydrolysis | 55°C, papain, 24 h | 15% | Protein: 62.5%, sugar: 2.9%, fat: 0.1%, ash: 9.5% | [24] | |
| Enzymatic hydrolysis | 10% phosphoric acid, pH 5.5. Firstly, adding 0.1% termamyl SC at 90°C for 1 h, then adding 0.1% SAN Super 240 at 55°C for 1 h, finally, adding 1.7% cellulase at 45°C for 10 h. | 16.7% | Protein: 26.37%, fat: 8.18%, cellulose: 15.28% | [122] |
J. Microbiol. Biotechnol. 2023;33:151~166 https://doi.org/10.4014/jmb.2207.07057
© J. Microbiol. Biotechnol.