Dr. Bray Links

Saturday, February 10, 2018

Inexpensive Technology Can Spot Fake Organic Milk – Will the USDA Look? - Cornucopia Institute

How much fresh grass did the "grass-fed" cows who make your milk eat? A team of scientists from Iowa State University's Leopold Center for Sustainable Agriculture has found a new technique they say can determine exactly that. Their findings, reported in The Journal of Agricultural and Food Chemistry last month, suggest that fluorescence spectroscopy—a relatively cheap and simple form of light measurement—could be a way to assure shoppers about "grass-fed" claims in the supermarket. And it could prove to be an important tool for transparency in the organic dairy sector, where cows are required to spend time foraging outdoors—something critics allege doesn't always happen.


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