Question

.....................is a hydrocolloid produced by some Phaeophyceae.

• A. Algin
• B. Carrageen
• C. Cellulose
• D. Starch

Answer 1

Answer:

A. Algin

• Alginic acid (or algin or alginate) is an anionic polysaccharide distributed widely in the cell walls of many brown algae (Phaeophyceae).

• It is a phycocolloid which is obtained commercially from Laminaria, Macrocystis, Nereocystis, Fucus, Sargassum etc