そばエキス (Soba Ekisu)

Hokkaido tartary buckwheat cultivars yield premium rutin concentrations; soba-noodle culture provides robust raw-material supply.
Rutin content typically 0.5–3% in tartary buckwheat extracts; 0.05–0.2% in common buckwheat extracts.
Rutin-circulatory FFC supplements, tartary-buckwheat tea (dattan-soba-cha), premium soba-noodle exports.
Standardised extract of common (Fagopyrum esculentum) or tartary (F. tataricum) buckwheat, primarily standardised to rutin content. Tartary buckwheat carries 5–10× the rutin of common buckwheat and is the basis of high-end functional food positioning. Hokkaido produces about 50% of Japan's domestic buckwheat by volume; Nagano, Iwate, and Yamagata round out the supply. Used in functional foods for circulatory support, in tartary-buckwheat tea, and as a feedstock for rutin-positioned supplements.
| Japón | FFC notifications exist for rutin (circulatory support); food product status |
|---|---|
| Unión Europea | CosIng comparable; food: pre-1997 EU history common (common buckwheat) |
| Estados Unidos | DSHEA NDI for tartary buckwheat extract; GRAS for traditional buckwheat use |
| China | GACC registration for industrial-scale imports |
Hakubaku Co., Ltd.
株式会社はくばく
Fabricante japonés especialista en té de cebada (mugicha). Tostadores de 4 etapas con control de temperatura modificados en Alemania. Cebada de seis hileras 100% de origen nacional japonés.
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Oryza Oil & Fat Chemical Co., Ltd.
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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