"If acid is needed in the system, is not vinegar healthful?  

Vinegar, like alcohol, is a product of fermentation, and it is very debilitating to the human stomach.  

  What fruits are considered most wholesome?  

Apples, pears, quinces, peaches, nectarines, apricots, cherries, currants, gooseberries, whortleberries, cranberries, grapes, strawberries, raspberries, blackberries, oranges, lemons, limes, citrons, melons, squashes, pumpkins, figs, tomatoes, mulberries, pine-apples, etc.  

  What vegetables afford the purest aliment?  

The seeds are wheat, oats, barley, rye, rice, Indian-corn, peas, beans, and various kinds of nuts. Among the roots are the potato, turnip, carrot, beet, parsnip, artichoke, etc. Onions, leeks, asparagus, cabbage, and many other leaves, are considered wholesome."

 1868 JNL, HBH 193