Xanthan is a 7 letter English word. It's valid Words with friends word worth 18 points.
You can make 57 anagrams from letters in xanthan (aahnntx).
1960-65; probably Xanth(omonas campestris) bacterium which produces the gum + -an, variant of -ane
Gluten-free noodles are often made with some sort of gelling agent like xanthan gum to bind the ingredients together.