The fruit contained the Malic acid I needed to manufacture the calomel, and I made it right there in nature's own laboratory.
"Master Tales of Mystery, Volume 3"
Collected and Arranged by Francis J. Reynolds
Malic and citric acid blended with sugar, produce the pleasant flavour of the gooseberry; and upon the proper development of these properties depends the success of all cooking operations with which they are connected.
"The Book of Household Management"
Mrs. Isabella Beeton
The Malic acid of the apples had dissolved the lead, and it remained in solution in the cider.
"Grain and Chaff from an English Manor"
Arthur H. Savory