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Home » Food diagnostics » Analysis » Determination of DOBI & Carotene content in Palm OilDetermination of DOBI & Carotene content in Palm Oil
The deterioration of bleachability index, or DOBI, is an analytical procedure intended for quality control of crude palm oil. The test attempts to predict the ease of refining of crude palm oil and indicates its oxidative status. Fruit quality is one of the most important factors affecting DOBI values, together with ripeness and storage conditions.
Carotene content is also an important quality control parameter for crude palm oil.
Features & Benefits
- This testing method is easier and faster as compared to the official method.
- it does not require complex and expensive instrumentation
- it does not involve toxic reagents
- it does not require glassware
- it does not two important parameters, for curde palm oil quality, by doing a single test
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Instruments to Use
Test principle
The deterioration of bleachability index (DOBI) is the numerical ratio of the spectrophotometric absorbance at 446 nm to absorbance at 269 nm.
The Carotene content is expressed as ppm of beta-carotene and it is calculated with an appropriate mathematical correlation with absorbance at 446 nm.
Sample
melted crude palm oil
Kit
Reagent test kit *300195, suitable for 100 tests, contain:
R1: Bottle containing 100 mL of reagent (mixture of alcohols).
100 test cuvettes with caps.
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Quality System certified ISO 9001 Ed. 2008 |