Table 4. Changes in organic acid of white cultivar Hypsizygus marmoreus during storage
| Sample | Organic acid content (ppm) | Storage period (day) |
| 0 | 14 | 28 | 42 |
| EG2020 | Total organic acid | 2,784 | 1,799 | 1,857 | 1,566 |
| Citric acid | ND1) | ND | ND | ND |
| Malic acid | 2,075 | 1,405 | 1,602 | 1,355 |
| Succinic acid | 446 | 236 | 105 | 103 |
| Lactic acid | 104 | 61 | 49 | 26 |
| Acetic acid | 138 | 96 | 107 | 81 |
| H6 | Total organic acid | 3,592 | 2,036 | 1,478 | 1,445 |
| Citric acid | ND | ND | ND | ND |
| Malic acid | 1,578 | 1,674 | 1,354 | 1,187 |
| Succinic acid | 716 | 192 | 57 | 107 |
| Lactic acid | 188 | 123 | 25 | 47 |
| Acetic acid | 1,110 | 48 | 42 | 103 |
| HKT | Total organic acid | 2,494 | 1,590 | 1,832 | 2,156 |
| Citric acid | ND | ND | ND | ND |
| Malic acid | 946 | 1,265 | 1,536 | 1,533 |
| Succinic acid | 118 | 170 | 214 | 463 |
| Lactic acid | 88 | 76 | 49 | 66 |
| Acetic acid | 1,343 | 80 | 33 | 95 |
Not detected.