Assertion: kelp's compound | /r/CapableOf | call polyphenol
Facets:
value: to the open ocean
type: TRANSITIVE-OBJECT
Source sentences:
text: Sargassum and other brown algae might be an underappreciated contributor of organic compounds called polyphenols to the open ocean.
text: In new research, Powers et al. suggest that brown algae, such as kelp and other types of seaweed, might be a key source of dissolved organic compounds called polyphenols.