Question

which dye is used to colour the onion peel?

Answer 1

We use the Safranin dye to colour the onion peel.

In the onion peel experiment of checking the presence of cells Safranin dye gives a pink colour to the onion peel, staining the cells thereby making it easy for us to identify the pink patch and record our observations.

Answer 2

Safranin is used to color type onion peel during experiments. This is done to assure the visibility of different organelles .This dye is used in histology and cytology.As the onion peel is transparent in color it needs to be colored to see the organelles in microscope .This dye can also be used as counterstain.