Few things are as sublime as a perfectly baked loaf of sourdough bread. But is sourdough really better for you than whole-wheat or white bread? And just what goes into it? Take our quiz to find out.
1Sourdough starter yeast contains lactobacillus bacteria, one of the probiotics touted as an aid in nutrition. At what cooking temperature does the lactobacillus get baked out of the bread?
a) 65 degrees
b) 112 degrees
c) 350 degrees
2An Italian researcher, writing in the Journal of Cereal Science, says the bacteria in sourdough, even when cooked out, is healthy for what reason?
a) It leaves behind lactobacillus residue absorbed into the bread.
b) It breaks down some starches and sugars in the bread to cause a lowering in blood glucose.
c) Its often-intense sour flavour prevents overeating.
3According to www.egullet.org , the optimal temperature for a sourdough culture to thrive in the open air is 80 degrees. At what temperature does sourdough culture die?
a) 95 degrees
b) 102 degrees
c) It never dies
4 One slice of sourdough bread contains how many fewer calories from fat than whole-wheat or white slices?
5 The website www.foodtimeline . org reports that the origin of sourdough bread was not California during the Gold Rush or Italy in Columbus’ time, but rather, ancient Egypt. What did the Egyptians use to form the active starter in sourdough bread?
a) goat’s milk
Answers: 1: b; 2: b; 3: a; 4: c; 5: c