Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Major carrageenan structures produced by the different taxonomic families of the Gigartinales, based on the red algal tree of life reported by Verbruggen et al., 2010. Families comprising major amounts of galactans of the D/L-hybrid group were not included.
