Mustard is synonymous with its famously bright-yellow color. Although mustard recipes can be found in Roman cook books dating back to the 4th and 5th centuries, yellow mustard is a newer phenomenon. The now-traditional yellow color of mustard was introduced in 1904. Yellow mustard premiered at the St. Louis World's Fair as a showy hot dog condiment, and it made a splash. The yellow color comes from turmeric rootstock, and has nothing to do with the mustard seed itself.
Why Mustard is Yellow
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Key Facts In This Video
The striking yellow color of classic mustard comes from the root stock of turmeric. 00:20
Traditional yellow mustard is a combination of turmeric root stock powder, water, vinegar, mustard seed powder, and salts. 00:37
Yellow mustard premiered at the St. Louis World's Fair in 1904 as a hot dog condiment. 02:36