About this document

Kreis Test for Cottonseed Oil Rancidity by Ahmed Ismail is a document available to read on EtoBox.

The document discusses how the Kreis test, used to detect rancidity in oils, can produce false positives for refined cottonseed oil. Experiments exposing mixtures of crude cottonseed oil and other fats to sunlight found the Kreis reaction decreased over time, likely due to removal of natural chromogens, rather than increased rancidity. This suggests the Kreis test result alone may incorrectly indicate rancidity in refined cottonseed oil.

Author

Ahmed Ismail

Language

EN