Assertion: tea's flavonoid | /r/HasProperty | complex
Facets:
Source sentences:
text: Specifically, black tea contains complex flavonoids, which are polyphenols that aid in disease prevention.﻿﻿ A single cup of black tea
text: Black tea contains complex flavonoids (a single cup of black tea contains an average of 200 milligrams), which are polyphenols that aid in disease prevention.