Automated Titration Procedure for Measuring Acidity in Red Wine
Author Information
Author(s): Ausberta Jesus Cabezas Garcia, Boaventura F. Reis
Primary Institution: Instituto de Química de São Carlos, Universidade de São Paulo
Hypothesis
Can an automated photometric titration system accurately determine the total acidity in red wine?
Conclusion
The automated titration system effectively measures total acidity in red wine without significant differences compared to traditional methods.
Supporting Evidence
- The automated system showed a relative standard deviation of about 2%.
- Results from the automated method were comparable to the AOAC reference method.
- The system was able to determine total acidity without using an analytical curve.
- Significant absorption of electromagnetic radiation was observed in red wine samples.
- The study demonstrated the feasibility of the automated titration system for red wine.
- Calibration of the photometer was performed to ensure accurate measurements.
- The system can be adapted for other types of samples with complex matrices.
- The proposed method allows for a higher throughput of wine sample analysis.
Takeaway
This study created a machine that can quickly and accurately measure how sour red wine is, just like tasting it but using technology.
Methodology
The study used an automated photometric titration system with a flow-batch approach to measure acidity in red wine samples.
Potential Biases
Potential bias from using a single type of indicator and specific wine samples.
Limitations
The study may not account for variations in wine composition that could affect acidity measurements.
Statistical Information
P-Value
0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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