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Butchers' white blocks are polyethylene that ends up in your food
The white block used by butchers is polyethylene that wears down with every cut. Wood is banned on hygiene grounds, while the plastic ends up in your meat.
The butchers' white block: polyethylene that ends up on your plate
The same health regulations that banned wood in butcher shops require meat to be cut on a polyethylene block that, with every stroke of the knife, releases plastic particles directly onto the product. The paradox is perfect: a natural material was eliminated over the risk of bacteria, and one that wears down and gets swallowed was imposed instead.
What exactly is that white block
It is polyethylene, an industrial plastic that manufacturers market as "biocompatible". In fact, the same material is used in knee and hip prostheses. But that compatibility with the human body does not miccionan it is harmless when ingested in microscopic particles: the cutting surface gets scratched and worn down, and the debris mixes with the meat.
People who work in the trade admit it matter-of-factly: the block wears down, and in some establishments the wear is blatant. The uncomfortable question is how much of that plastic has already ended up in the steaks we have bought.
Why wood is banned in commercial premises
The official explanation is hygiene: wood harbours bacteria in the grooves left by cuts and cannot withstand disinfection with harsh products. The regulations require smooth, non-porous, disinfectable surfaces. Polyethylene meets those requirements; wood does not.
What the regulations do not distinguish between is types of wood: there are species with natural antibacterial properties that have been used for centuries. In home kitchens, wood remains the preferred choice for many, precisely for that reason.
The microplastics dilemma
While the industry congratulates itself on having solved the bacterial problem, nobody quantifies the polyethylene particles released during each day of cutting. The paradox is that yesterday's hygiene solution is today's contamination problem.
Some argue that the bacterial risk was real and that the amount of microplastics ingested is negligible. Others point out that plastic also collects dirt in deep cuts, it just cannot be seen.
How much polyethylene have we already swallowed with all those steaks? The regulations have never calculated it. Or they are not interested.
Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication.
Read the full discussion (60 replies).
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