FoodFermentation

The bacterium that gives San Francisco sourdough its tang is named after the city.

It tolerates the acid its own neighbours produce, which is how the same starter survives for decades.

Source

This fact is written from the English Wikipedia article it links to, so you can check every word in one tap. Fact Drop rates that source 4 out of 5 for credibility, and the rating travels with the fact on the back of its card in the app.

Food facts with more chemistry and history than the label admits. Honey does not spoil, tinned food arrived fifty years before the tin opener, and the statistical test behind much of modern science was invented to check barley for Guinness. Every fact links to its source.

All 45 food facts