From the ArcaMax Publishing, Trivia Newsletter:
http://www.arcamax.com/news/trivia/s-452651-508676

What color are the seeds used to make yellow mustard?

White mustard seeds are used to make yellow mustard; the color comes from turmeric. Spicy mustards are concocted from brown mustard seeds.

This news arrived on: 11/29/2008

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