(Secretos de salud) Are you eating fraudulent fish? Most of us have been thinking that eating fish is iffy because of radiation, pollution and mercury, but we probably never dreamed of fraud. Yet one of the largest seafood fraud investigations in the world has discovered that 59 percent of the tuna Americans are eating is not really tuna at all. Para empeorar las cosas, the fraudulent tuna is actually a fish known for causing gastrointestinal problems.
Oceana, a non-profit ocean protection group, collected more than 1,200 samples of fish from 674 retail outlets in 21 states from 2010 a 2012 to determine if they were honestly labeled. DNA testing found that one-third of the 1,215 seafood samples tested were mislabeled, according to the U.S. Food and Drug Administration (FDA) guidelines.
Red snapper was the fish Oceana found to be most often mislabeled. Fully 87 percent of red snapper samples were found to be one of several other varieties of fish – such as perch and tilapia. Tuna took second place with 84 percent of the samples revealing the substitution of fraudulent fish, specifically escolar, a fish which can cause explosive, oily, and orange diarrhea.
Escolar, often mistakenly labeled in raw form as a variety of tuna called butterfish, is a type of snake mackerel that is unable to metabolize the waxy esters which are naturally found in its diet. These esters, llamado gempylotoxin, and are very similar to castor oil or mineral oil, and the esters are what gives escolar an oily texture similar to tuna. As a result of the esters, eating full portions of escolar can cause severe gastrointestinal problems.
The fraudulently labeled seafood was found at sushi bars, restaurants and grocery stores. Sushi bars in grocery stores were the most likely to have the mislabeled fish. Oceana did not find a single sushi bar which had no dishonestly labeled fish.
Though the Oceana investigation did not determine where the fraud occurred in the chain from ocean to consumer, the reasons for the labeling fraud are obvious: greed and availability.
In practically every instance of mislabeling, a cheaper variety of fish was substituted for a more expensive one. A menudo, price differences are due to availability. Red snapper supplies, por ejemplo, are very limited as the levels of the popular fish have been severely depleted far beyond demand. igualmente, popular varieties of tuna, incluso albacore, yellowfin y bigeye, have been significantly depleted from over-fishing. Even the most common type of tuna, skipjack, may soon be in danger due to increased fishing pressure.
More highlights of the Oceana investigation
• Mislabeling was found in 27 of the 46 fish types tested (59 por ciento)
• Salmon, snapper, bacalao, atún, único, halibut and grouper were the top collected fish types
• Only seven of the 120 red snapper samples were honestly labeled
• Between one-fifth to more than one-third of the halibut, grouper, cod and Chilean sea bass samples were mislabeled
• 44 percent of all the grocery stores, restaurants and sushi venues visited sold mislabeled seafood
Hoy, mas que 90 percent of the seafood consumed in the U.S. is imported, and fewer than one percent is inspected specifically for fraud by the government.
Seafood is a popular and theoretically healthy food choice for many Americans. Both the Asociación Americana del Corazón and new dietary guidelines from the FDA recommend eating eight ounces of seafood, or two seafood meals, a week. Seafood is a global commodity and is one of the most commonly traded food items in the world.
As the Oceana investigation has revealed, it is also one of the most common food items likely to be used to defraud consumers.
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