Spray-on DNA barcodes; Cutting sodium in meat; New generation of bioplastics

DNA barcodes may help trace foodborne illnesses
Finding the source of a foodborne illness outbreak can be difficult and time-consuming. But that could change thanks to spray-on DNA barcodes from DNATrek. Scientists at the company can create solutions with unique DNA sequences and food-grade additives that can be sprayed onto produce. If this produce was implicated in a foodborne disease, a PCR (polymerase chain reaction) test could analyze the suspected product and identify the grower, packer and…