舞茸 D-フラクション (Maitake D-Fraction)

Niigata's maitake industry is anchored by indoor cultivation pioneers from the 1970s; D-fraction extraction methodology was developed in Japan.
Beta-1,6-glucan content typically 25-40% in standardised extracts; molecular weight 200-1,000 kDa.
Immune-support supplements, adjuvant nutraceuticals, premium functional-food drinks.
Standardised beta-1,6-glucan extract from maitake mushroom (Grifola frondosa), originally developed at the Kobe Pharmaceutical University in the 1980s. Niigata is the primary cultivation region (~70% of Japan's maitake by volume). The D-fraction is positioned in immune-support and adjuvant supplement contexts internationally; clinical literature exists for both dietary and oncology-adjuvant settings. Functional foods featuring D-fraction must clear country-specific regulatory pathways (FFC in Japan, NDI in US, etc.).
| Japón | FFC notifications exist; FOSHU not granted; food product status for dietary use |
|---|---|
| Unión Europea | Novel Food consideration for non-pre-1997 EU history; verify EFSA register |
| Estados Unidos | DSHEA NDI notification path for supplements; GRAS for food |
| China | NMPA cosmetic NCI consideration if used in cosmetics |
Kyowa Hakko Bio Co., Ltd.
協和発酵バイオ株式会社
Líder mundial en fermentación. GABA de grado farmacéutico. Ingredientes de marca Cognizin® Citicoline, Setria® Glutathione y EYEMUSE®.
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オリザ油化株式会社
Pionera en ingredientes funcionales de salvado de arroz con más de 70 años de trayectoria. Produce más de 300 extractos de origen vegetal. Su producto insignia Oryza Ceramide® es la única glucosilceramida de grado alimentario aprobada por el Ministerio de Salud en Japón.
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