Colombe is an uncommonly occurring given name for women but a very prominent last name for all people (#47120 out of 150436, Top 31%). (2000 U.S. Census). Charted below is the birth name popularity of Colombe for girls. Colombe has yet to make it into the list so far.
If you look at processed food, you see all sorts of other gums like carrageenan, xanthan gum, cellulose gum, locust bean gum, agar, and so on. They thicken things: Ice cream, marshmallow fluff, pancake syrup, etc., all benefit from thickening.
Animal studies have repeatedly shown that food-grade carrageenan causes gastrointestinal inflammation and higher rates of intestinal lesions, ulcerations, and even malignant tumors. Since 1969, dozens of studies of food-grade carrageenan have been published in peer-reviewed academic journals.