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Bluefin Tuna "Imperfect Cut"

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  • Riviera Seafood Club's Bluefin Tuna "Imperfect Cut," also known as Hon Maguro in Japanese, are responsibly ranched in Baja California, Mexico. With every bite of this delectable sushi-grade fish you are greeted with a distinct medium-full flavor shifting between light to rich umami, complemented by a sophisticated texture ranging from soft to semi-firm with the skin-off and no bones.

    Pacific Bluefin Tuna, scientifically named Thunnus orientalis, is prepared in small cuts. It will arrive at your door frozen and ready to be prepared. All orders of Bluefin Tuna are individually packaged, frozen, and shipped with overnight express delivery.

    • Species: Bluefin Tuna
    • Scientific Name: Thunnus orientalis
    • Japanese Name: Hon Maguro
    • Cut: Saku; skin-off, no bones
    • Flavor: Distinct medium-full flavor ranging from light to rich umami
    • Texture: Ranging from soft to semi-firm
    • Source: Ranched in or near Baja, Mexico
    • Sustainable: No
    • Responsible: Yes
    • Packaged: Frozen
    • Sushi Grade: Yes
    • Recommended Preparation: Sushi or Cooked
  • For a quality seafood experience and maximum freshness, we recommend defrosting and using as soon as possible.

    If the superfrozen fish is not going to be consumed immediately, it can be stored in a conventional freezer for approximately up to 2 weeks before losing quality (change color/oxidation).

    Superfrozen Defrosting Instructions

    1. Method I:  Place superfrozen product in cold water for 15 to 30 minutes, until thawed.  Remove the portion from the plastic, pat dry with a paper towel, cut and enjoy within 24 hours.
    2. Method II:  Remove the portion from the plastic bag, wrap with a paper towel and place in the refrigerator overnight.  Cut and enjoy within 24 hours.

     

    What is Superfrozen Technology and How Does it Work?

    Conventional Freezing

    We all know that if you put a bottle of water into a freezer the ice EXPANDS, breaking the bottle.  On a cellular level, when fish freezes the ice crystals break through the membrane of the cell, and later when the fish is thawed there’s an accompanying pool of water, and a “spongy” texture to the thawed fish.

    Superfrozen Technology

    Maximum ice expansion occurs at -5°C, but CONTRACTS at lower temperatures.  Superfrozen technology takes advantage of this property, wherein  fish “flash frozen” at -60-70°C (superfrozen) temperatures, pass through the -5°C phase so quickly that ice DOESN’T HAVE TIME TO EXPAND THEN CONTRACT, thus never lysing the cell membrane.  The result is firm, springy texture to the meat, with minimal loss of freshness and nutrients.

    The most dramatic example of this technology is that after being stored at superfrozen temperature for 2 YEARS some pieces of tuna in fact can “curl up” into rigor upon thaw--as they didn’t have time to go into rigor at time of capture or harvest !

  • Arrives in a 1 pound fresh portion, wrapped in food-grade absorbent paper, then in an individualized loin bag. Fresh, (not frozen) Tuna can be stored in the refrigerator for sashimi use immediately upon arrival. For raw consumption, eat within 1-2 days. Any longer, the portion will be searing, poke, or cooking grade. You can also freeze these portions immediately upon arrival and store for up to one week for sashimi use or 10 days for poke, searing, and cooking preparations (keep in mind that freezing sashimi grade fish does slowly diminish the quality of the meat as the cell membrane is not well maintained in conventional home freezers). Rule of thumb-- eat it while it's fresh!

Customer Reviews

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Customer Reviews

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E
Evan
Better than expected.

Some of the best bluefin I've ever had. Buttery fatty melts in your mouth.

R
Russ
Best bluefin tuna around

I was more than pleasantly surprised when I got my "imperfect cuts." The fish was absolutely fresh, and delicious as sashimi. I'm not concerned with the cosmetic appeal. The quality is top notch. I would definitely order again (and again).