Four-reagent kit for identification of cartilage, mucins and mastocyte granules used in histology and cytology.
Safranin O kit is used for visualizing and staining of cartilage, mucins and mastocytes in formalin fixed and paraffin mounted tissue samples, but also in frozen tissue sections.
Result
Nuclei - dark blue
Cartilage, mucins, mastocytes - orange to red
Background - green
Resources

1 Kit - 100 Test