Algae High in Vitamin B1 (Thiamin) (21st - 37th) (per 100 g edible portion)
- Arame (steamed and dried)
- Tengusa (dried)
- Wakame (raw)
- Sea lettuce (dried)
- Hitoegusa (tsukudani)
- Hosome-konbu (dried)
- Wakame (cut and dried)
- Wakame, Dried product (dried, soaked in water)
- Tsukudani
- Shio-konbu
- Ego-nori (dried)
- Wakame Fruit-bearing leave (raw)
- Wakame Stipe and center vein (blanched and salted,desalted)
- Suizenji-nori (dried, soaked in water)
- Ogo-nori (salted, desalted)
- Wakame Blanched and salted (desalted)
- Tengusa (agar-agar)