Which of these produces carrageenan?

Green algae

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Blue green algae

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Red algae

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Brown algae

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Solution

The correct option is B Red algae
Carrageenan is a common name given to polysaccharides extracted from certain seaweeds like red edible seaweeds. It is used as gelling, thickening, and stabilizing agent. However, it can cause immune dysfunction if administered intravenously
Thus, the correct answer is option C.

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