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Pectin Solution

Pectin Solution

Sometimes strange procedures are recommended.

This is a pectin solution that is claimed to be quite effective. Spread a small amount thinly on a clean, grease-free slide, pick up from a waterbath and bake on as usual. Compare with amylopectin.

Presumably, commercial pectin solutions (Certo and others in the USA) used for making jams and jellies could also be used in a similar fashion, although a preservative may need to be added to them. Remember that starch-based materials may be oxidizable to aldehydes so that any staining method which demonstrates aldehydes will give background staining.

Hollande’s Formula

Garlic Cloves50g


  1. Crush the garlic cloves in a pestle and morter.
  2. Add the water and chloroform and grind together to extract as much material as possible.
  3. Leave 24 hours, then filter.

Safety Note

Prior to handling any chemical, consult the Safety Data Sheet (SDS) for proper handling and safety precautions.


  1. Gray, Peter. (1954)
    The Microtomist’s Formulary and Guide.
    Originally published by:– The Blakiston Co.
    Republished by:– Robert E. Krieger Publishing Co.
    Hollande (1911)
    Archives d’anatomie microscopique. v. 13, p. 171.
    Paris, France