The Histochemical Characterization of the Glycoconjugates in the Epidermal Mucous Cells of the Red Californian Earthworm, Eisenia foetida

Table 1

Conventional histochemical staining procedures for visualizing and identifying glycoconjugates in epidermal mucous cells of Eisenia foetida.

Procedures	Glycoconjugates unveiled	References
PAS	Neutral Glycoconjugates	[35]
PAS/AB pH 2.5	To distinguish between neutral and acidic glycoconjugates	[36]
AB pH 0.5	Very sulfated glycoconjugates	[37]
AB pH 1.0	Glycoconjugates with O-sulfate esters	[37]
AB pH 2.5	Acidic glycoconjugates with carboxylated and; sulfated esters	[37]
AF	Glycoconjugates with sulfate	[38]
AF/AB pH 2.5	To distinguish between sulfated glycoconjugates and acidic glycoconjugates	[39]
KOH/PAS	Glycoconjugates with sialic acid residues	[40]

AB: alcian blue; PAS: periodic acid Schiff reagent; AF: aldehyde fuchsin; KOH: potassium hydroxide.