![Laser diode induced excitation of PDO extra virgin olive oils for cognitive authentication and fraud detection - ScienceDirect Laser diode induced excitation of PDO extra virgin olive oils for cognitive authentication and fraud detection - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0925400518317775-ga1.jpg)
Laser diode induced excitation of PDO extra virgin olive oils for cognitive authentication and fraud detection - ScienceDirect
![About half of what is called "extra-virgin" olive oil may be fraudulent. Now, chemists have devised a method to detect if extra-virgin olive oil has been adulterated with cheaper, lower quality oils. : About half of what is called "extra-virgin" olive oil may be fraudulent. Now, chemists have devised a method to detect if extra-virgin olive oil has been adulterated with cheaper, lower quality oils. :](https://external-preview.redd.it/VzD8SslBMhSlt3Gpplj1xaHMtYTUgcX4U8-Y4ON21kQ.jpg?auto=webp&s=27d78ba4891e646a57805617c4b2bb71bdc01dac)
About half of what is called "extra-virgin" olive oil may be fraudulent. Now, chemists have devised a method to detect if extra-virgin olive oil has been adulterated with cheaper, lower quality oils. :
![Extra Virginity: The Sublime and Scandalous World of Olive Oil: Mueller, Tom: 8601401185833: Amazon.com: Books Extra Virginity: The Sublime and Scandalous World of Olive Oil: Mueller, Tom: 8601401185833: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/51P1m61Y6lL.jpg)