Assertion: phenylalanine | /r/AtLocation | high-protein foods
Facets:
value: naturally
type: MANNER
Source sentences:
text: Phenylalanine can be found, naturally, in high-protein foods; L-phenylalanine is also found as a component of aspartame, an artificial sweetener used in products like diet soda and sugar-free gum.
text: It is found in high-protein foods.