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Understanding Spoilage and Quality Issues May Improve American Artisan Cheesemaking Industry

American artisan cheese has become increasingly popular over the past few decades. Understanding spoilage concerns and the financial consequences of defects can improve quality, profitability, and sustainability in the American artisan cheesemaking industry. In an article appearing in the Journal of Dairy Science®, scientists from Tufts University took the pulse of artisan cheese producers in the United States through an industry survey.


Examples of rind defects include (A) unwanted surface molds such as blue mold on Camembert cheese (photograph by B.E. Wolfe), (B) unwanted rind colors, such as purple rind defect (Kamelamela et al., 2018), (C) rind separation from paste in mold ripened cheese (Choi et al., 2016), and (D) unwanted divots or dimples in the rind (photograph by Biango-Daniels).

The authors of this study provide a snapshot of the artisanal cheesemaking community indicating that many (71 percent) are concerned about undesirable surface molds and incorrect or unexpected colors or pigments on rinds (54 percent). Of the 61 cheesemakers surveyed, 18 percent were very concerned about quality and spoilage problems, 39 percent said that their quality standards are not met annually, and 33 percent said their quality standards are not met monthly.

"The growing US cheesemaking industry will require additional resources moving forward that address not only safety but also quality and spoilage concerns," said first author Megan Biango-Daniels, PhD, Biology Department, Tufts University, Medford, MA, USA. "One interesting observation from our data is that cheesemakers, as a group, are unsure about how widespread quality issues are but strongly agree that additional resources to help address quality issues would benefit them personally."

Although 62 percent of survey respondents reported that only between zero and five percent of their product was lost or made less valuable due to quality issues annually, seven percent of cheesemakers had losses of over 20 percent of their product. Nearly all respondents agreed that better quality of their products would lessen waste, boost profits, and enhance production. In answer to open-ended questions, those surveyed said that they would like to have access to additional online resources addressing quality topics and to digital forums to collaborate with experts and peers when problems emerge.

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