Supermarket coffees: 60 Millions de Consommateurs detects harmful substances, brands singled out in France
Morning coffee is reassuring, but what does it really contain? A recent test by
What the survey reveals and why it matters
Firstly, the association scrutinized several references in all formats. The results showed that some cups contained traces of undesirable substances. The focus is on repeated exposure, rather than a single sip. The subject concerns coffee-lovers as much as those in a hurry to buy supermarket coffees.
Assessments point to the possible presence ofacrylamide, formed during roasting. Furans may also volatilize when hot, but remain measurable in the laboratory. However, levels vary from one reference to another. Packaging and degree of roasting also play their part.
The study reiterates a key point: not all coffee is equal in terms of sanitary quality. Consequently, selection, preparation and equipment influence exposure. A careful reading of labels also helps to situate the product. Supermarket coffees therefore deserve a more informed choice.
“Better information doesn’t spoil the pleasure of coffee, it makes it safer.
What risks, what substances to watch out for?
Acrylamide remains the most closely monitored marker, with European reference values well known in the industry. Over-roasted coffee can generate more acrylamide. However, controlled processes limit these levels. Supermarket coffees are no exception, especially for heavy drinkers.
Another control point is furans and their derivatives, which are produced during heating. They dissipate in part after extraction, but not completely. In addition, contaminants linked to materials, such as
- Vary brands, formats and roasting intensities.
- Focus on recent, well-preserved lots.
- Maintain machine, descale and rinse regularly.
- Serve the cup unhurriedly after extraction.
- Consult independent tests before buying.
Purchasing and daily preparation tips
To act quickly, look at the origin, roasting and date. Then compare formats according to your actual use. What’s more, coffee ground too far in advance oxidizes more quickly. Supermarket coffees offer plenty of choice, as long as you sort them out.
Auchan – Capsule bio (Capsule): opt for short extraction times and non-boiling water. In addition, check the integrity of the capsules and the cleanliness of the percolator.
Capsules, pods or ground coffee, each option has its advantages. Capsules limit oxidation, but remain sensitive to material and storage. On the other hand, paper pods breathe better, with a different profile in the cup. Supermarket coffees therefore require careful preparation.
Test methodology and limits to bear in mind
A test reflects a given moment, a given batch and a given method. Differences can also occur between batches or seasons. Consequently, a counter-analysis can qualify a verdict. Supermarket coffees evolve, especially as manufacturers adjust their processes.
Lavazza – Dosettes (Dosette): respect the recommended volume of water and a stable extraction time. This standardizes the cup and reduces the usual variations of supermarket coffees.
Health, regulations and useful tips for consumers
On the regulatory front, the EU sets guideline values for acrylamide, by product type. As a result, many players adjust their roasting and processing methods to stay below these thresholds. In addition, internal audits supplement official controls. Supermarket coffees are therefore monitored, even if all is not perfect.
As far as habits are concerned, it’s best to avoid burnt extractions. Therefore, adjust the grind and temperature if possible. Also, air the cup for a few moments, as this allows some of the volatile compounds to escape. This simple gesture is in addition to the other precautions you can take with supermarket coffees.
Quality labels provide benchmarks, without guaranteeing everything. For example, an organic label focuses on pesticide use, not acrylamide formation. On the other hand, some quality labels focus on roasting control. Supermarket coffees with solid specifications deserve attention.
When in doubt, keep the ticket, the batch, and contact customer service. In this way, a brand can report and correct a real problem. What’s more, consumer associations centralize returns. Supermarket coffees progress when these reports add up.
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