Assertion: cattail | /r/MadeOf | niacin
Facets:
Source sentences:
text: Cattails are nutrient-rich, containing beta carotene, niacin, riboflavin, thiamin, potassium, phosphorus, and vitamin C. Cattail flour can cause discomfort for those individuals with a gluten-intolerance, and should be avoided by people with Celiac disease.