Assertion: kelp's iodine content | /r/CapableOf | range to 7,500 ppm
Facets:
value: from 50 ppm
type: OTHER
Source sentences:
text: Iodine content can range from 50 ppm in some of the fast-growing seaweeds, such as red algae of the genus Pyropia (used for sushi nori), to 7,500 ppm in true deep-water kelps like Laminaria digitata.