Preservative — Food Safety Glossary

A class of food additive used to slow spoilage and inhibit microbial growth, permitted and declared under the Food Standards Code.

Frequently asked questions

What does a preservative do?

A preservative slows spoilage by inhibiting the growth of microorganisms such as bacteria, yeasts and moulds, helping food stay safe and retain quality for longer.

Are preservatives regulated?

Yes. Preservatives are a class of food additive regulated under Standard 1.3.1 of the Food Standards Code, which sets where they may be used and any maximum levels.

How is a preservative shown on the label?

It is declared in the ingredient list by the class name preservative, followed by the specific name or an approved code number.

Do preservatives replace refrigeration and hygiene?

No. Preservatives support food safety but do not replace basic controls such as temperature control, good hygiene and correct date marking.

Can a product avoid preservatives?

Often yes, by relying instead on controls such as low pH, low water activity, refrigeration or protective packaging to achieve a safe shelf life.

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