Peroxide value in vegetable oil
Determination of PV in just 4 minutes
Determination of Peroxide Value (PV) in vegetable oils can be carried out by OxiTester using micro quantities of vegetable oil as is with practical, fast and extremely accurate methods. So in junt 4 minutes you can determine peroxides number of olive oil, avocado oil, seed oil etc. to verify their oxidative status.
Feature & Benefits
- This testing method is simpler and faster when compared to titration used in the official method.
- Correlated with ISO/AOCS reference methods
- No sample preparation
- The amount of required reagent is much smaller than the one used with the official method.
- The reagents used have a low toxicity, unlike those employed in the official method that are highly toxic and polluting
- Test results are available in 4 minutes
Request additional information on the OxiTester method for peroxide value analysis
The number of peroxides present in a vegetable oil is an index of its primary oxidative level and consequently of its tendency to go rancid.
Unsaturated free fatty acids react with oxygen and form peroxides, which determine a series of chain reactions that generate the production of volatile substances that bring the typical rancid smell. Those reactions are accelerated by high temperature and by light and oxygen exposure.
The chemical analysis used to determine the peroxide value of vegetable oils is an index of its status of preservation. In fact, the lower is the number of peroxides, the better is vegetable oil quality and its status of preservation.
Instruments to Use
Reagents
R1 (in cuvette): alcoholic mixture
R2 (in cuvette): Redox solution
Test method
Test type: End Point
Colorimetric reaction at 505 nm
Testing time: 5-8 minutes
It is possible to carry out several test sessions with a maximum of 14 samples.
Calibration can be performed by aligning the test to reference values.
Test principle
R-O-O-R peroxides oxidize Fe++ ions. The Fe+++ ions resulting from oxidation are grouped and form a red complex. Its colorimetric intensity, measured at 505 nm, is directly proportional to the concentration of peroxides in the sample. CDR innovative method simplifies and speeds up the standard procedure, because it enables the test to be carried with micro-quantities and to be applied to fats that are difficult to extract.
Sample
Vegetable oil as is like olive oil, palm oil, avocado oil, etc. as is.
Reagent Kits
The reagents are provided in sealed bags, each containing 10 cuvettes. They have a 12 months duration, starting from the production date. Stocking requirements are described on the bag label.
Reagents do not contain dangerous solvents and are ready for use.
Request more information about peroxide value analysis in vegetable oils
Related arguments
•Determination of peroxide value in edible fats and oils
•Determination of peroxide value in essential oils
•Determination of peroxide value of oil extracted from dry fruit
| KIT CODE | SAMPLE VOLUME | RANGE |
| *300159A (20 test) *300150A (100 test) |
2.5-5.0 µL | 0.3-50 mEqO2/Kg |
| Reagent developed by CDR s.r.l | ||||
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Quality System certified ISO 9001 Ed. 2008 |
