8. A NEW REFRACTOMETRIC METHOD OF INVESTIGATION FOR THE DISTINCTION BETWEEN FRESH AND FROZEN By RAFFAELE CONTE
Abstract
A new method of differentiation between fresh and frozen meat is introduced, based on the measure of an indicator called “residual solid content of the blood”. This freshly generated parameter derives from the index of refraction of the re-solubilized fraction in distilled water of the blood extracted from the edible that has interacted with the polypropylene of the Eppendorf Safe-Lock Tubes™, and it is measured through a simple hand-held refractometer. Aim of this research is to provide a simple, reproducible and inexpensive procedure of quality control investigation, especially designed for the application against the frauds in the tertiary sector.
KEY WORD: Refractometry, Residual solid content of the blood, Quality Control, Frauds, Meat, Coagulation.
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