Congo-red with amyloid produces -
HARSH MOHAN TEXTBOOK OF PATHOLOGY SEVENTH EDITION Page no :67 By H&E staining amyloid appears as extracellular homogenous structureless eosinphilc material ; it stains positive with congo red staining and show apple gringe bitefringes on polarising microscopy
Dark brown colour
Blue colour
Brilliant pink colour
Khaki colour
General pathology