Xanthan gum is a water-soluble gum used in baking for its thickening and stabilizing properties. It's a product of fermentation from corn, wheat or soy. Xanthan gum is a water-soluble gum used in baking for its thickening and stabilizing properties.
Obviously, people reading this sort of information in German - mostly Austrians, or Germans and Swiss, or people who have learnt German as a foreign language are likely to approach theses questions from a different angle than people who do not read or speak German.
Jews in Germany spoke German as their mothertongue. Jiddisch was a language spoken by jews in Galizien ( area of Lemberg or Lvov or Lviv), but most German jews especially that ones of Austria spoke also Jiddisch ( Galizien was a province of Austria). Hebrew was only used by rabbies for example.