Mushrooms Low in Vitamin B1 (Thiamin) (1st - 20th) (per 100 g edible portion)
- Arage-kikurage (boiled)
- Shiro-kikurage (boiled)
- Arage-kikurage (dried)
- Kikurage (boiled)
- Nameko (canned in brine)
- Common mushroom (canned in brine, solids)
- Matsutake (canned in water)
- Common mushroom (boiled)
- Shiitake, Hoshi-shiitake (boiled)
- Nameko (boiled)
- Common mushroom (raw)
- Nameko (raw)
- Honshimeji (raw)
- Shiitake, Nama-shiitake (raw)
- Shiitake, Nama-shiitake (boiled)
- Matsutake (raw)
- Shiro-kikurage (dried)
- Hatakeshimeji (raw)
- Maitake (boiled)
- Eringii (raw)