But now a machine called Sonofai uses ultrasound waves ... Beef has a grading system for fat and expected flavor, but being able to gauge the quality of tuna is new, according to Hideto Okada ...

Beef has a grading system for fat and expected flavor, but being able to gauge ... Press in an interview. But Sonofai won't be at your neighborhood sushi chef. Fish-processing outfits and fishing ...

KAWASAKI, Japan (AP) — Seafood lovers know the fatty marbling is what makes tuna sashimi and sushi so tasty, so for the industry, it’s the fish’s level of fattiness that’s used to judge ...