The temperance primer : an elementary lesson book designed to teach the nature and properties of alcoholic liquors, and the action of alcohol on the body / by J. James Ridge.

  • Ridge, J. J. (John James), 1847-1908
Date:
1879
Catalogue details

Licence: Public Domain Mark

Credit: The temperance primer : an elementary lesson book designed to teach the nature and properties of alcoholic liquors, and the action of alcohol on the body / by J. James Ridge. Source: Wellcome Collection.

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    [The following formula} will explain it:— Grape-sugar. Alcoliol. Carbonic Acid. Water. =7^lU0) + 4C02 + 2H“0.] It is often said that alcohol is in the barley, but you see that the barley has first to be changed into sugar, and then the sugar is changed into alcohol: if the fermented sugar is left alone, the Alcohol will, in a few days, all change into vinegar; therefore it ls just as absurd to say that Alcohol is in barley or fruit as to say that there is vinegar in them. The sugar is split up into Alcohol and Car- bonic Acid by means of a ferment. Diastase is a ferment, something which can cause one kind of substance to change into another if it is in contact with it. Diastase causes the starch to join with water and become grape-sugar. The ferment which causes the sugar to break up again into Alcohol, Carbonic Acid and water is called yeast. Yeast consists of millions of little round