# The Egg Products Regulations 1993, Paragraph 1


For each batch the sample of egg products which is tested shall comply with the following criteria:—
(a) the concentration of 3 OH-butyric acid must not exceed 10 mg/kg in the dry matter of the unmodified egg product;
(b) in order to ensure the hygienic handling of eggs and egg products the following standards shall apply–
(i) the lactic acid content shall not exceed 1000 mg/kg of egg product dry matter (applicable only to the untreated egg product),
(ii) the succinic acid content shall not exceed 25 mg/kg of egg product dry matter.
In the case of fermented products, these values are those recorded before the fermentation process.

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Source: https://www.legislation.gov.uk/uksi/1993/1520/schedule/4/part/VI/paragraph/1 (the official version)
Page: https://openlegislation.uk/egg-products-regulations-1993/schedule-4/part-VI/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.