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In January 2016, federal agencies in the US who are responsible for health issued warnings and workplace safety recommendations relating to coffee processing and diacetyl and 2, 3-pentanedione. The substances are volatile organic compounds (VOCs) produced during coffee processing that are associated with the lung disease obliterative bronchiolitis (sometimes known as ‘popcorn lung’). As first […]

A paper published in Toxicology Reports suggests that roasting and grinding coffee could expose workers to levels of diacetyl – a compound associated with chronic lung disease – that exceed recommended short-term occupational exposure levels. Diacetyl is found in flavouring added to products in the food industry but is also now known to formed naturally,