The most responsible White Tuna, certified MSC tuna as sustainable fishing... At Conservas Emperatriz, we use a good management of raw materials to maintain jobs, ensure tuna populations for the future, and help protect the marine environment. The fishing methods used and the parameters for selecting the pieces ensure that the raw material is always at its optimal point of texture and flavor, resulting in a much more pleasant canned product. Ingredients: MSC White Tuna, extra virgin olive oil*, and salt.