A petition launched by this paper has reached over 2,500 supporters in under 24 hours.
The petition, created via Change.org, is intended to help save more than 300 Norwich jobs.
It comes after Britvic announced proposals to move production of juice and squash from Norwich, leading Colman's owner Unilever, which shares its site at Carrow Works, to launch a review into its own future in the city.
MORE: Clive Lewis says government 'cannot wash hands' of Unilever and Britvic's proposed Norwich closuresThe plant is expected to close towards the end of 2019, following a consultation with affected staff.
David Powles, editor of the Eastern Daily Press and Norwich Evening News, said: 'We are launching this campaign today because these two factories are simply too important to lose.
MORE: Campaign starts to save historic brands Colman's and Britvic after plans announced to close Norwich factory'They form a crucial part of this county's history as well as providing a livelihood for hundreds of workers at the factory and in the supply chains.
'We want readers to back our campaign and send a clear message: They must be saved.'
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