The Journal of Horticultural Science & Biotechnology
Vol. 9 No: 4
The Use of Ammonia and Ammonium Salts for the Prevention of Green Mould in Citrus.
R.G. TOMKINS and S.A. TROUT
The prevention of fungal rotting of stored fruits by the introduction into the atmosphere of substances which inhibit mould growth is in principle very simple.
For the success of this method there are two essentials.
The substances used should inhibit mould growth at concentrations which do not injure the fruit.
If the substances are absorbed by the fruit they should not be injurious to health, or they should be chemically transformed within the fruit to innocuous products.
An example of a substance which fulfils these requirements and can be used for this purpose is acetaldehyde.
An account of experiments demonstrating the value of acetaldehyde has already been published (1).
Ammonia is a substance which, when present in small quantities, has been found to inhibit mould growth on artificial media (data unpublished). It is also present in low concentrations in the animal body and there would, therefore, seem to be, prima facie, no objections to fruit containing small quantities, though . . .
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