Forensic testing by Source Certain analysed 221 processed tomato products from 39 brands, finding that 22% failed country-of-origin checks, with all failed products traced to China and about 53 per cent linked to Xinjiang. The investigation revealed that Leggo's tomato paste, Coles' Italian tomato paste, and Aldi's Remano paste were among the products labelled as Australian or Italian but actually sourced from Chinese tomatoes.

Leggo's, owned by US food giant Simplot, had 80% of its tested tomato paste products fail, with two‑thirds of those failures tied to Xinjiang. Simplot rejected the results, citing internal audits and supply‑chain documentation, while Coles and Aldi also disputed the findings and pledged independent testing. Well‑known brands such as Mutti, SPC, Woolworths, Providore D'Italia, and Annalisa passed the origin tests.

The findings raise concerns about misleading labels, premium pricing for consumers, and competition for Australian growers. They also highlight forced‑labour allegations in Xinjiang, prompting comments from Uyghur activist Nyrola Elima and former ACCC chairman Allan Fels, who called for stronger regulator action against food fraud.