Salt consumption and its price skyrocketed around 2000 B.C. when it was discovered as a food preservative.
They add flavour and act as a preservative but they can be present even in foods you don't expect or are labelled in ways that you don't recognise.
No. The preservative interferes with the test.
It is used as a preservative in certain acid food products.
But you can still do your bit for the environment and for the health of little ones by handing out preservative-free candy.
This kind of instant noodle is preservative-free.
McDonald's French fries, for example, which have repeatedly proven their hardiness to spoilage, contain citric acid as a preservative.
Meeting the vaccine needs of all countries in a preservative-free single-dose format, as opposed to multi-dose presentations, would require a significant increase in manufacturers' filling capacity.
In their presentation, the authors hypothesize that thiomersal, a mercury-containing preservative may be the cause of the association.
Salt started out more than 5, 000 years ago as a simple preservative.
The smell of preservative lingers in the air.
A liquid preservative applied to artwork, such as watercolor paintings or charcoal drawings.
This mild allergic reaction is often blamed on preservative chemicals called sulphites, but they are responsible for only an eighth of cases.
For example, in virtually every language but English, "preservative" is something you might need on a romantic date but wouldn't want to find in your peanut butter.
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