Zhou’s answer to this problem? He’s invented a purple bread. Rich in cancer-fighting antioxidants, digested 20% slower than regular white bread, and made entirely of natural compounds ...

Weibiao took white dough and infused it with anthocyanin, a pigment you’ll find naturally occurring in foods like grapes and blueberries (this pigment gives the bread its purple hue).

So why was there so much white bread? Nearly every customer was eating the 39-year-old chef and owner Joshua Pinsky’s oven-warm loaf, served with butter and anchovies. White bread — long syn ...

Weibiao’s answer to this problem? He’s invented a purple bread. Rich in cancer-fighting antioxidants, digested 20 percent slower than regular white bread and made entirely of natural compounds ...