No, mustard flour is just ground up mustard seeds. It's gluten-free. http://www.celiac.com/gluten-free/index.php?showtopic=42661
if it is straight mustard yes. however, it depends, sometime factories use wheat flour or thickening agents which contain gluten to thicken the sauce.
Yes, Grey Poupon mustard is gluten free I contacted the manufacturer.
No, meat does not contain gluten.
Yes, they contain gluten.
No they do not.
No, salt does not contain gluten.
yes brain contain gluten
Rice does not contain gluten.
Cheese doesn't contain gluten.
Ethylvanillin doesn't contain gluten.
yes they do contain gluten, high processed soy products such as, boca burgers contain gluten.
No, glutinous rice does not contain gluten.