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Show I Unking Powderm. Professor .Mallett, of the University of Virginia, has concluded a very laborious and careful examination of baking powders, pow-ders, which he reports in The Chemical News. The greater partof these powders are made from alum, the acid phosphato of calcium, bicarbonate of sodium and starch He finds the effect of their use injurious to gastric digestion', that uot only alum itself, but the residue which its use leaves in the bread, are far from harmless and should be avoided.. This; question has long been mooted and both : sides defended, but Professor MalJett I givestis a long, extended and thoroughly ! scientific and unbiased investigation. St. Louis Globe-Democrat. |