He fish is a rich source of minerals such as phosphorus, potassium, sodium or magnesium, among many others. A good alternative which sometimes turns out to be a lot ms econmica and that allows it to be kept for longer are the preserves. However, one of the biggest problems of these versions is that sometimes it contains large amounts of salt, as stated by the Organization of Consumers and Users (OCU).
The OCU has analyzed 32 brands of tuna cans clear in oil, both olive and sunflower, to determine which are the best. results indicate good quality, Although there are differences between products, they point out from their analysis, emphasizing that the can of tuna is the canned fish par excellence in Spain. Among the issues taken into account for the analysis are the appearance of the tuna, the type of oil used and the prices.
The appearance of the tuna is also very important.
When a can is opened, the first impression is essential for it to be appetizing to the consumer. If it appears crumbly, with burnt areas, red muscle or very little quantity, it could be disappointing. According to the OCU study, the reality is that This type of defect has hardly occurred in the brands analyzed, except for a few isolated cases. We have hardly found any defects, except for the presence of crumbs in small quantities and only in some references, they assure.
However, as regards the kind of oil used, The results have been more negative. Through PCR tests, it is verified whether the packaged fish corresponds to the name of atn of course. The study of the fatty acid profile confirms that The type of oil used does not match in all cases with what the label indicates (olive or sunflower), they point out.
Canned tuna is sterilized to destroy harmful germs and increase its shelf life, which is why it has been proven that your state of conservation is good, and it is. It does not contain added substances to retain water and increase its weight. histamine levels are low, which means that the fish had good freshness before being canned, OCU points out. We have also analyzed the mercury concentration and we discovered that in all cases is far below from the maximum established.
Excess salt: the most negative element found
He negative ms element It has been excessive presence of salt, Beyond the taste, the consequences this can have on health. According to the Spanish Agency for Health and Consumption (AESAN), a food It has too much salt if it exceeds 1.25% and the average in these cans is at 1.04%, which is quite high.
Beyond this, in general The rating of canned tuna in Spain is quite good. As for the factors that have made two brands stand out from the rest, it is that They have complete labeling and provide relevant information to the consumer. In addition, They show no defects, They do not exceed the salt limits, the quantity is adequate and the flavor and texture are good.
Very different prices between some brands and others
He precio of the cans of tuna in olive oil of the products analyzed range between 11.39 and 42.95 euros/kg drained. However, for less than 15 euros/kg drained there are two best products on the market: Silver Salt (Aldi) and Hacendado (Mercadona).
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