Assertion: vitamin b12's amount | /r/AtLocation | dried korean purple laver
Facets:
Source sentences:
text: A substantial amount (133.8 µg/100 g dry weight) of Vitamin B12 was found in dried Korean purple laver (Porphyra sp.), but seasoned and toasted laver products contain lower amounts of Vitamin B12 (approximately 51.7 µg/100 g dry weight)