[["In an attempt to improve the quality of manufactured baby foods, in 1867, Justus von Liebig developed the world's first commercial infant formula, Liebig's Soluble Food for Babies.", 29.0], ["on 1865 Justus Von Liebig's creted the first known patented baby formula", 13.0], ["The first formulas for babies were invented in the 1800s and were often made with forms of sugars, grains, and either cow\u2019s milk or the newly-invented canned evaporated milk.", 10.0], ["As early as 1846, scientists and nutritionists noted an increase in medical problems and infant mortality was associated with dry nursing. In 1867, Justus von Liebig developed the world's first commercial infant formula, Liebig's Soluble Food for Babies.", 8.0], ["In 1865, a chemist named Justus Von Liebig created the first known patented baby formula.  ", 8.0], ["In the 1800's by a chemist named Justus Von Liebig.", 7.0], ["1860, Germany", 7.0]]
what year did baby formula come out
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