naturally occurring diacetyl and 2,3-pentanedione concentrations associated with roasting and grinding unflavored coffee beans in a commercial setting
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2015
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Abstract
Over the last decade, concerns have been raised about potential respiratory health effects associated with occupational exposure to the flavoring additives diacetyl and 2,3-pentanedione. Both of these diketones are also natural components of many foods and beverages, including roasted coffee. To date, there are no published studies characterizing workplace exposures to these diketones during commercial roasting and grinding of unflavored coffee beans. In this study, we measured naturally occurring diacetyl, 2,3-pentanedione, and respirable dust at a facility that roasts and grinds coffee beans with no added flavoring agents. Sampling was conducted over the course of three roasting batches and three grinding batches at varying distances from a commercial roaster and grinder. The three batches consisted of lightly roasted soft beans, lightly roasted hard beans, and dark roasted hard beans. Roasting occurred for 37 to 41 min, and the grinding process took between 8 and 11 min. Diacetyl, 2,3-pentanedione, and respirable dust concentrations measured during roasting ranged from less than the limit of detection (
| Reference Key |
gaffney2015toxicologynaturally
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| Authors | ;Shannon H. Gaffney;Anders Abelmann;Jennifer S. Pierce;Meghan E. Glynn;John L. Henshaw;Lauren A. McCarthy;Jason T. Lotter;Monty Liong;Brent L. Finley |
| Journal | international journal of systematic and evolutionary microbiology |
| Year | 2015 |
| DOI |
10.1016/j.toxrep.2015.08.003
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