シイタケ菌糸体エキス (Shiitake Kinshitai Ekisu)

Lentinan and LEM standardisation methods originated in Japanese pharmacology research; domestic producers maintain 30+ year lineage in mycelium-specific bioreactor cultivation.
Beta-1,3 / 1,6-glucan 25-50% in standardised LEM; lentinan content varies by extraction; proteoglycan complex distinct from fruiting-body materials.
Immune-support supplements, adjuvant nutraceuticals, premium functional food drinks.
Hot-water extract of cultured shiitake mycelium, distinct from the fruiting body in active-ingredient profile. Japanese R&D has standardised lentinan and LEM (Lentinula Edodes Mycelium extract) preparations since the 1980s for immune-support positioning. Major industrial producers in Mie, Gifu, and Niigata supply both supplement and functional-food markets, with substantial export to North American and European immune-positioned supplement brands. Distinct from shiitake-fruiting-body extracts (which are part of the existing 'shiitake-functional' trend coverage).
| 日本 | FFC notifications exist (immune support); food product status |
|---|---|
| 欧盟 | Novel Food consideration for non-pre-1997 EU history; verify EFSA |
| 美国 | DSHEA NDI for supplement use; GRAS for traditional shiitake |
| 中国 | NMPA / TCM context; verify import classification |