Soy has become one more element in our kitchens. Soja drinks, for example, are no longer a simple substitute for milk used by vegan people, but as one more drink. However, soy has also aroused the suspicions of some, generally focused around one of its components. Now those who have just paid their food in this food have been the French health authorities.
Advise against. A few weeks ago, ANSES, the National Agency for Health Security of Food, the Environment and French work, issued a recommendation in which soybean products were advised in collective restoration. The motive wielded is in the isoflavones, but Not everyone is convinced in which it has been a good idea.
Soy and isoflavonas. The Isoflavonas They are estrogen -like substances (hormones linked mainly to female reproduction) that are produced by some plants. Among the plants that produce these compounds are soybeans, and also to a lesser extent in other legumes and vegetables.
The impacts on the human health of these compounds have generated interest in the community, scientific, not only for the risks that could entail but also for potential benefits. Since these compounds can be “coupled” to our hormonal receptors, the possible risks associated with the consumption of these phytoestrogens usually associate with their impact on our hormonal system, especially in that of children and adolescents, even in the growth stage.
Avoid excessive consumption. According to details Radio France Internationalthe new measure is focused on avoiding excessive consumption, through the recommendation to eliminate soy products from collective restoration. This includes from nurseries to elderly residences, as well as other teaching centers and the canteens of companies.
The new guide of the French agency establishes toxicological reference values (TRV) by ingestion that try to delimit the safe consumption of these compounds (those that are below the value), of which they could begin to suppose a risk. According to the agency, these values would be 0.02 mg per kg of body mass and day in the general population, and 0.01 mg/kg of body mass and day in pregnant women and children.
Doubts. The measure has generated some skepticism. As It is explained from Sincthe new limits are based on studies conducted with animal models. While this type of studies represent a fundamental pillar when studying the impact of some substances, extrapolating its results to humans is not always simple.
There are at least three factors that could alter these results continue to explain the article. The first, metabolic: mice metabilize these compounds less efficiently, which causes them to accumulate more easily in their body.
Secondly, because some of the studies would have been using high doses that would not correspond to those we absorb when we consume isoflavones orally. Finally, the intestinal microbiota could also play a fundamental role in our absorption of these compounds. And in this sense, the gastrointestinal microbioma of humans and mice differs too much to be able to perform reliable extrapolations.
And in humans? As they detail from Sinchumans do not yield especially alarming results. Rather on the contrary. These studies, including A technical review published in 2022 In the magazine Critical Reviews in Food Science and NutritionThey tend to point out that endocrine disruption tests associated with soybean consumption or its isoflavones are not detected.
Controlling food concentration. Although the recommendations to collective restoration have focused the debate of the new French recommendations, these also pay attention to soy producers and food manufacturers.
Not all soy varieties and not all products of this legume contain comparable isoflavone concentrations. That is why It is recommended To these sectors choose plant varieties, agronomic techniques and elaboration processes that minimize the presence of these compounds.
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