Macro marine algae form an important living and renewable resource of the oceans. In many oriental countries such as Japan, China, Korea, and others those are near the ocean, seaweeds are diet staples. And today human use seaweed products in their day to day life in some way or other. For instances, some seaweed polysaccharides are used in toothpaste, soap, shampoo, cosmetics, food and medicine materials. Marine seaweeds were classified into three different kingdoms: Brown, Red and Green seaweeds.
Brown algae
Brown algae is the largest type of algae likes giant Kelp that sometimes exceeding more thane 45m in length. Brown algae is in the phylum Phaeophyta. Brown algae is brown or yellow-brown in color and found in temperate or arctic waters. Brown algae typically have a root-like structure called a “holdfast” to anchor the algae to a surface.
Some Genera of brown seaweeds:
Dictyota
Turbinaria
Sargassum
Green algae
Green seaweed (Chlorophyta) is the most diverse group of algae, with over 7,000 species. Like the plants, the green algae contain two forms of chlorophyll, which they use to capture light energy to fuel the manufacture of sugars, but unlike plants they are primarily aquatic.
Some Genera of Green seaweeds:
Codium
Ulva
