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Question
Which stain is used for demonstrating lignin?
Which stain is used for demonstrating lignin?
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Solution
The correct option is C Phloroglucinol
The cinnamaldehyde end groups of lignin appear to react with phloroglucinol-HCl to give a red-violet colour. Although the reaction is not very sensitive, because of the ease of staining, this procedure is still often used as one of the tests for the presence of lignin in plant cell wall. So, the correct option is D. ( phloroglucinol )
The cinnamaldehyde end groups of lignin appear to react with phloroglucinol-HCl to give a red-violet colour. Although the reaction is not very sensitive, because of the ease of staining, this procedure is still often used as one of the tests for the presence of lignin in plant cell wall.
So, the correct option is D. ( phloroglucinol )
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