Show I I Use of Yeast feast Yeast Is such an essential constituent ent of hi end that It Is difficult to rea realize real ize that It Is a comparative c Innovation tion that tion-that that man ate wheaten loaves loa for thousands of or generations before anybody any any- bod body thought about it The use of yeast was one of the trade secrets of Paris bakers about 20 years ago JO the bread chemists explain There was a big scandal when the secret le leaked l cd out The bakers were accuse accused of poisoning the public The College of Physicians Ph of or Paris went wenton on record I opposing yeast leavened bread brend on the ground that It was not wholesome I I |