- Look for cans that say "Pole and Line Caught" or "Troll Caught". This means that the fishermen will catch each fish individually. If you can't find that, try looking for the blue MSC label, it means the product you're buying is certified sustainable and it's given by the Marine Stewardship Council.
- BPA (Bisphenol-A) is a chemical used in the lining of most cans. The reason we don't want BPA in the cans is because it has been linked to the development of precancerous lesions and abnormal development of reproductive systems in animals. It's especially important when the product inside the cans is acidic, like tomatoes. But it's also important when shopping for tuna. You can find tuna in pouches that don't have BPA but it's difficult to find pouched tuna that is environmentally safe.
- I also look for tuna that will have less mercury in it. The tuna that has less mercury is one labeled "light" and comes from skipjack.
- The last thing I look for is the word unsalted or no salt added. I always look for unsalted everything when it comes to canned food. Beans, tomato products, seafood, vegetables, etc. You can control the amount of salt that goes into your food so it won't raise your blood pressure and it's also better for the overall flavor of the dish. Nobody likes oversalted food.
I do have to say that tuna with these labels will not be the cheapest. In my supermarket they are usually about $1 more than the well-known brands. But it's ONLY $1 more. To me, it's worth it.
I found this tuna at Whole Foods this past weekend and it's the most perfectly labeled can. It says pole and line caught, has the MSC label, is BPA-free, it's light skipjack tuna, and it is also unsalted.
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