Why is Thon a la catalane classified as ultra‑processed (NOVA 4) and what specific additives does it contain?

Because it is a ready‑to‑eat canned product that includes multiple formulated ingredients beyond the main fish, such as vegetable purees, oils, thickeners and stabilisers. The label lists the additives E412 (guar gum), E415 (xanthane gum), E509 (calcium chloride) and E579 (ferrous gluconate), which place it in the NOVA 4 ultra‑processed group.

How do the sugar and salt levels in Thon a la catalane affect a diabetic or hypertensive diet?

Each 100 g serving provides 4.1 g of sugars, which can contribute to blood‑glucose spikes and should be limited for people managing diabetes. The 1.2 g of salt (≈480 mg sodium) adds a moderate amount of sodium, which may be problematic for hypertension, so the product should be consumed sparingly or balanced with low‑salt meals.

Is the skipjack tuna used in Thon a la catalane sourced sustainably?

The packaging mentions a “FAO fishing zone” without specifying the region, so the exact origin is unknown; without a certified MSC or other sustainability label, the product cannot be confirmed as sustainably sourced, and consumers concerned about over‑fishing should consider alternatives with clear eco‑certification.

Carrefour, Simpl

Thon a la catalane

Fish Meat Eggs

Product Insights

Thon a la catalane is a canned tuna product flavored with a Catalan‑style tomato sauce, vegetables and seasonings, belonging to the fish and seafood group. It carries a Nutri‑Score of C and is classified in the ultra‑processed NOVA 4 category, reflecting the presence of added thickeners (guar gum, xanthan gum), stabilisers (ferrous gluconate, calcium chloride) and other additives. Nutritionally it offers modest protein (7.2 g/100 g) and low saturated fat, but its sugar (4.1 g) and salt (1.2 g) levels are relatively high for a fish product, and it may contain traces of gluten, milk, mustard and eggs.

Nutrient Levels

Traffic light indicators

Fat

low

Saturated Fat

low

Sugars

low

Salt

moderate

Nutritional Values

Values per 100 g/ml

Energy Kcal77 kcal

Fat2.9 g

Saturated Fat0.3 g

Carbohydrates4.9 g

Sugars4.1 g

Comparative Analysis

Compared with average values for similar seafood items, this tuna sauce contains less fat (2.9 g vs 6.6 g), saturated fat (0.3 g vs 1.3 g), salt (1.2 g vs 5.3 g) and calories (77 kcal vs 149 kcal), but it has higher sugars (4.1 g vs 1.0 g) and lower protein (7.2 g vs 18.1 g).

Ingredients

_Thon Listao_ 30% (Katsuwonus pelamis), eau, double concentré de tomates 17.7%, carottes 6.3%, oignons 4.8%, cornichons saumurés 3%, poivrons 2.9%, huile de colza, vinaigre d'alcool, sucre, sel, olives noires 0.7%, épaississants : gomme guar et gomme xanthane, amidon de riz, affermissant : chlorure de calcium, stabilisant : gluconate ferreux. Peut contenir des traces de gluten, lait, moutarde et oeufs. Zone de pêche FAO : voir sur le couvercle de la boîte.

84%

35%

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