Guar Gum - pudding experiment

What is Guar Gum and why is it in my food? Here's an explanation and a way to use guar gum at home that might help. Recipe reference: http://www.foodnetwork.com/recipes/tyler-florence/chocolate-pudding-recipe.html Intro music: used with permission, Babbington's Hornpipe played by Bob and Lynn Dixon. CD available here: http://www.cdbaby.com/cd/boblynndixon