Shinpaku means “white heart” and it is the starchy center core of each sake rice grain. Having a concentration of starch in the center of the grain differentiates sake rice from eating rice. Yamadanishiki is one strain of sake rice well known for having a large and pronounced shinpaku.
Also See Related Terms:
• Sakamai
• Shuzo-kotekimai
• Yamadanishiki