The acids produced by these microbes have one other purported profit. In accordance with The Guardian, they “slow down the rate at which glucose is launched into the blood-stream.” In different phrases, it has a low glycemic index, making it, as the Globe and Mail advises, “a sensible choice for anyone managing their blood glucose ranges,” comparable to diabetics.
However in accordance with a staff of Israeli scientists led by Eran Segal and Eran Elinav on the Weizmann Institute of Science, this widespread claim is flawed—or, at the least, not universally proper. In a small but thorough study, they put volunteers on week-long stints of consuming both white bread or sourdough. All the whereas, they carried out a large battery of blood exams, they usually analyzed the group of microbes that stay in their guts. “To our nice shock and shock,” says Segal, “we discovered no vital variations between the 2 breads on any of the parameters that we collected.”
What’s extra, their results showed that folks range substantially in how the two breads affect their blood sugar: Predictably, some individuals’s blood sugar spiked more dramatically after consuming white than sourdough, however unexpectedly, others’ did the reverse. If these outcomes may be confirmed in bigger teams of individuals, it suggests that the widespread perception that sourdough has a decrease glycemic index than white bread is simply true for some individuals; in others, it’s the other. “We’re realizing that our vitamin must be personalised,” says Segal.
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