Professor David Burson
Professor of plant sciences specialising in woody plants, soil–plant interactions and elemental analysis; led the chemical fingerprinting and laboratory work to authenticate the geographical origin of tea.
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Oct 29, 2025 • 23min
A Scottish tea mystery: the list – episode two
In this intriguing exploration, Professor David Burson highlights the scientific methods used to authenticate tea origins, revealing how trace elements in soil can pinpoint where tea is grown. Richard Ross discusses the alarming discovery of misleading Scottish tea claims that shook the local growers' trust. Stuart Wilson uncovers the investigation into Tam O'Brien's alleged food fraud, detailing how his sourced plants from abroad contradicted his claims. Together, they weave a captivating tale of deceit and the power of science in uncovering the truth.
