Page 93 - Pharmacognosy-II (06-PG 303)

Types of algae

Blue green algae (including spirulina).
Red algae
Brown algae
Advantages of algae

• It contains high amounts of simple and complex carbohydrates which provide the body with
a source of energy. In particular, the sulfated complex carbohydrates are thought to enhance
the immune system's regulatory response.

• It contains an extensive fatty acid profile, including Omega 3 and Omega 6. These
essential fatty acids also play a key role in the production of energy.

• It has an abundance of vitamins, minerals, and trace elements.
• Microalgae may serve as a continuous and reliable source of antioxidants, because they can

be cultivated on a large scale. Furthermore, the qualities of the microalgal cells can be
controlled, so that they contain no herbicides and pesticides, or any other toxic substance.
• Algae grow fast in the sea.
• Algae do not compete with agriculture.
• Purify waterwaste.
• Algae can give high biofuel yield.

Disadvantages of algae

1. Costly
2. Can cause fish kill and contamination

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