Determination of L-Lactic acid in Cider
By analyzing L-Malic acid and L-Lactic acid, it is possible to assess the correct progress of the malolactic fermentation.
Method
Test Principle
L-Lactic acid is oxidized in an alkaline environment through an enzymatic reaction and converted into pyruvate, which is turn produces NADH. The increase of absorbance, measured at 366 nm (end-point), is directly proportional to the concentration of L-Lactic acid in the sample.
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Calibration curve
The calibration curve of CDR CiderLab, obtained using reference methods.
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Reagent test Kits
Measuring range
| Analyses | Measuring range | Resolution | Repeatability |
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The Analyzers for process and quality control in cider production
CDR CiderLab
- Complete analysis panel, supplied already configured
- Up to 16 determinations simultaneously
- Possibility of carrying out analyses of the same sample
- Integrated printer
- Full connections (LAN - USB - Bluetooth barcode/QR code reader)
CDR CiderLab Jr
- Partial analysis panel, supplied configured with 3 analyses of your choice, implementable
- Up to 3 determinations simultaneously
- Wireless connection to external printer
- USB connections