Dulse is a red algae that grows on the
kombu culture rope, a special product of Hakodate City, and many are discarded.
On the other hand, it is known to have a polysaccharide with an unusual
structure. Here, an oligosaccharide having an unusual structure was prepared
from a polysaccharide of Dulse and the structure was determined.
In the future, we will look for its health functionality.