Kogane Sengan sweet potato
A specific sweet potato variety widely used in shōchū brewing, known for its high starch content and suitability for fermentation.
Kogane Sengan is often used as an ingredient for shōchū.
The name 黄金千貫 (Kogane Sengan) literally means 'gold thousand kan', likely referring to the golden color of the flesh and the hope for a bountiful harvest. The exact origin of the name is uncertain.