Use "galactan" in a sentence

1. Agarose is a purified linear galactan hydrocolloi Certificates

2. Description: Agarose is a purified linear galactan hydrocolloid isolated from agar or agar-bearing marine algae

3. The sulfated galactan is prepared by the processes of water extracting, acid degrading, membrane filtering, alcohol precipitating, drying and the like.