Table 1.
Ergothioneine content in fermented foods and mushrooms
| Food group | Food name | Place of production | Method of measurement | Content (mg/kg) | Reference |
|---|---|---|---|---|---|
| Fermented foods | Beer | Germany | LC-MS | 0·02wwt | (102) |
| Tempeh | Singapore | LC-MS | 201·13dwt | (17) | |
| Fermented rice, bran | Japan | LC-MS | 176·00wwt | (103) | |
| Fermented rice, white | Japan | LC-MS | 59·80wwt | (103) | |
| Fermented rice, brown | Japan | LC-MS | 85·50wwt | (103) | |
| Fermented shiitake with Lactobacillus acidophilus | Korea | HPLC | 1668·40wwt | (20) | |
| Fermented shiitake with Lactobacillus fermentum | Korea | HPLC | 1389·00wwt | (20) | |
| Fermented shiitake with Lactobacillus plantarum | Korea | HPLC | 1278·60wwt | (20) | |
| Fermented shiitake with Pediococcus pentosaceus | Korea | HPLC | 1775·20wwt | (20) | |
| Mushrooms | Abalone | Singapore | LC-MS | 324·70dwt | (17) |
| Black fungus | Singapore | LC-MS | 94·20dwt | (17) | |
| Button, crimini | USA | LC-MS | 680·00dwt | (104) | |
| Button, crimini | USA | HPLC | 550·00dwt | (105) | |
| Button, crimini | USA | HPLC | 400·00dwt | (106) | |
| Button, crimini | Singapore | LC-MS | 104·10dwt | (17) | |
| Button, crimini | Japan | HPLC | 24·17wwt | (107) | |
| Button, portabella | USA | LC-MS | 680·00dwt | (104) | |
| Button, portabella | USA | HPLC | 450·00dwt | (106) | |
| Button, portabella | Singapore | LC-MS | 190·90dwt | (17) | |
| Button, portabella | Germany | LC-MS | 0·93wwt | (102) | |
| Button, white | Greece | UV-Vis | 7100·00dwt | (18) | |
| Button, white | Greece | LC-MS | 521·20dwt | (18) | |
| Button, white | USA | LC-MS | 410·00dwt | (104) | |
| Button, white | USA | HPLC | 210·00dwt | (104) | |
| Button, white | Singapore | LC-MS | 154·40dwt | (17) | |
| Button, white | Japan | HPLC | 78·98wwt | (107) | |
| Button, white | Germany | LC-MS | 0·46wwt | (102) | |
| Chanterelle | Germany | LC-MS | 0·06wwt | (102) | |
| Chestnut | Japan | HPLC | 1290·00dwt | (108) | |
| Enoki | Singapore | LC-MS | 346·40dwt | (17) | |
| Enoki | Japan | HPLC | 151·17wwt | (107) | |
| King trumpet (Pleurotus eringii) | Japan | HPLC | 77·07wwt | (107) | |
| Gargal | Japan | HPLC | 2040·00dwt | (108) | |
| Giant leucopax | Japan | HPLC | 1700·00dwt | (108) | |
| Grey knight (Tricholoma sp.) | Japan | HPLC | 910·00dwt | (108) | |
| Hyspatys marrcus | Japan | HPLC | 14·97wwt | (107) | |
| Jelly ear | Japan | HPLC | 32·29wwt | (107) | |
| Maitake | USA | HPLC | 1130·00dwt | (106) | |
| Maitake | Japan | HPLC | 670·00dwt | (108) | |
| Mushrooms | Maitake | Singapore | LC-MS | 20·20dwt | (17) |
| Maitake, black | Japan | HPLC | 20·19wwt | (107) | |
| Maitake, white | Japan | HPLC | 103·92wwt | (107) | |
| Nameko (butterscotch) | Japan | HPLC | 460·00dwt | (108) | |
| Nameko (butterscotch) | Japan | HPLC | 12·69wwt | (107) | |
| Oyster | Greece | UV-Vis | 9200·00dwt | (18) | |
| Oyster | USA | HPLC | 2590·00dwt | (106) | |
| Oyster | USA | LC-MS | 2010·00dwt | (104) | |
| Oyster | Japan | HPLC | 1980·00dwt | (108) | |
| Oyster | Greece | LC-MS | 607·30dwt | (18) | |
| Oyster | Germany | LC-MS | 118·91wwt | (102) | |
| Oyster, golden | Japan | LC-MS | 10 000·00wwt | (46) | |
| Oyster, golden | Greece | UV-Vis | 8300·00dwt | (18) | |
| Oyster, golden | Greece | LC-MS | 822·10dwt | (18) | |
| Oyster, golden, cultivated in grape marc | Greece | UV-Vis | 11 800·00dwt | (18) | |
| Oyster, golden, cultivated in wheat straw | Greece | UV-Vis | 8300·00dwt | (18) | |
| Oyster, golden, cultivated in grape marc | Greece | LC-MS | 637·20dwt | (18) | |
| Oyster, golden, cultivated in olive by-products | Greece | LC-MS | 884·50dwt | (18) | |
| Oyster, golden, cultivated in wheat straw | Greece | LC-MS | 822·10dwt | (18) | |
| Oyster, king | USA | LC-MS | 1720·00dwt | (104) | |
| Oyster, king | Japan | HPLC | 1410·00dwt | (108) | |
| Oyster, king | Singapore | LC-MS | 541·70dwt | (17) | |
| Oyster, king | Japan | HPLC | 234·85wwt | (107) | |
| Polypore | USA | LC-MS | 1840·00dwt | (104) | |
| Porcini | Germany | LC-MS | 528·14wwt | (102) | |
| Porcini | Singapore | LC-MS | 1812·40dwt | (17) | |
| Price | Japan | HPLC | 19·85wwt | (107) | |
| Shiitake | USA | LC-MS | 2090·00dwt | (104) | |
| Shiitake | USA | HPLC | 1980·00dwt | (106) | |
| Shiitake | Korea | HPLC | 1260·40wwt | (20) | |
| Shiitake | Japan | HPLC | 400·00dwt | (108) | |
| Shiitake | Singapore | LC-MS | 353·50dwt | (17) | |
| Shiitake | Japan | HPLC | 123·01wwt | (107) | |
| Shimeji | Japan | HPLC | 55·52wwt | (107) | |
| Shimeji, buna | Singapore | LC-MS | 432·60dwt | (17) | |
| Shimeji, buna | Japan | HPLC | 84·06wwt | (107) | |
| Shimeji, white | Singapore | LC-MS | 197·50dwt | (17) | |
| White fungus | Singapore | LC-MS | 5·80dwt | (17) | |
| Willow | Singapore | LC-MS | 296·80dwt | (17) | |
| Wood ear | Singapore | LC-MS | 6·40dwt | (17) | |
| Wood ear | Singapore | LC-MS | 6·40dwt | (17) |
wwt, wet weight; dwt, dry weight; UV-Vis, ultraviolet–visible spectrometry.