ULT Frozen Tuna – most commonly known as Super Frozen Tuna – was frozen-at-sea using Ultra Low Temperatures: -76°F While fresh tuna (not previously frozen) may be of high quality if consumed within a limited time period, ULT Tuna retains its original sashimi quality – including a healthy, fresh color and taste.

The technology to freeze and store tuna at Ultra Low Temperature was developed by the Japanese industry over 30 years ago, as their fishermen traveled longer distances to catch the high-valued fish. It is the only process that retains the freshness, and bright red color prized by the demanding Japanese consumer. Nowadays, as much as 80% of the sashimi tuna consumed in Japan is ULT Tuna!

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