compromises the quality, safety, and nutritional value of food, posing significant risks to
public health. Novel techniques are required to control it. RESULTS A graphene‐based T‐
shaped monopole antenna sensor was tested for its ability to detect adulteration in liquid
foods. Mustard oil was the pure reference sample used for product quality analysis. Olive oil
and rice bran oil were adulterants added to the pure sample. It was found that the sensor …