Related Experiment Videos
A qualitative colorimetric test for brominated vegetable oil in soft drinks
M N Krishna Murthy1, S Rajalakshmi, J A Satyabodha
1Central Food Technological Research Institute, Mysore, India.
Journal - Association of Official Analytical Chemists
|July 1, 1991
Summary
A new method accurately detects brominated vegetable oil (BVO) in beverages. This simple test identifies BVO down to 10 ppm, ensuring beverage safety.
Area of Science:
- Food Chemistry
- Analytical Chemistry
- Chemical Detection Methods
Background:
- Brominated vegetable oil (BVO) is used as a food additive in some beverages.
- Concerns exist regarding the safety and presence of BVO in consumer products.
- Accurate detection methods are crucial for food safety regulations.
Purpose of the Study:
- To develop a simple and precise method for detecting brominated vegetable oil (BVO) in soft drinks.
- To establish a sensitive analytical technique for BVO quantification.
Main Methods:
- Extraction of BVO using diethyl ether.
- Conversion of organic bromide to inorganic form using zinc dust.
- Liberation of bromine using lead dioxide.
- Detection of bromine using fluorescein-impregnated filter paper.
- Quantification using gas chromatography of sodium methoxide derivatives.
Main Results:
- A simple and precise detection method for BVO in soft drinks was established.
- The method can detect BVO at concentrations as low as 10 ppm (2 mg/200 ml).
- Gas chromatography provides a means for quantitative analysis of BVO.
Conclusions:
- The described method offers a reliable way to detect BVO in beverages.
- This technique can aid in ensuring the safety and quality of soft drinks.
- The method is suitable for both qualitative detection and quantitative analysis of BVO.