saleratus

Dissolve a tea spoonful of saleratus, in half a tea cup of water and strain it into the cake, knead in flour till quite stiff.

From The New England Cook Book, or Young Housekeeper's Guide Being a Collection of the Most Valuable Receipts; Embracing all the Various Branches of Cookery, and Written in a Minute and Methodical Manner by Anonymous

If saleratus is used in bread where no acidity is present, it is a medicine; or, if you please, a poison both to the stomach and intestines.

From Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages Including a System of Vegetable Cookery by William A. (William Andrus) Alcott

Should vomiting be a predominant symptom, a small quantity of saleratus, dissolved in spearmint tea, may be given.

From The American Reformed Cattle Doctor by George Dadd

I mean, oh, I mean, some ill-bred person has put saleratus in my little bowl.

From Molly Brown's Post-Graduate Days by Nell Speed

Some people use only a tea spoonful of saleratus, to a pint of molasses, but it is much better with more, appearing in point of lightness like sponge cake.

From The New England Cook Book, or Young Housekeeper's Guide Being a Collection of the Most Valuable Receipts; Embracing all the Various Branches of Cookery, and Written in a Minute and Methodical Manner by Anonymous