Question

Make a list of algae and fungi that have commercial value as source of food, chemicals, medicines and fodder

Answer 1

Blue green algae:

Spirulina is used as:

• Protein rich supplement
• Single cell protein

Green algae:

• Chlorella - Antibiotic (Chlorellin )
• Chlamydomonas - Sewage treatment

Brown algae:

Laminaria:

• Alginic acid used as thickener, emulsifier and gelling agent in commercial use.
• Sodium lamarin sulphate used as blood anticoagulant.

Red algae:

• Rhodymenia - Cattle fodder
• Gelidium - Agar

Fungi

• Saccharomyces cerevisiae - Fermentation (beer, wine, bread)
• Penicillium notatum - Antibiotic

Tabular column
Type of organism Name of organism Commercial products Blue green algae Green algae Brown algae Red algae
Fungi

Spiruline	Protein rich supplement Single cell protein
Chlorella Chlamydomonas	Antibiotic(Chlorellin)Sewage treatment
Laminaria	Alginic acid used as thickener, emulsifier and gelling agent in commercial use. Sodium lamarin sulphate used as blood anticoagulant.
Rhodymenia	Cattle fodder
Gelidium	Agar
Saccaromyces cerevisiae	Fermentation Beer, wine and bread
Penicillium notatum	Antibiotic