Method for the specific measurement of L-malic acid in beverages and food products

Shipping temperature: ambient

Storage temperature:
- Short term stability: 2-8^oC,
- Long term stability: see individual component labels

Assay format: spectrophotometer, microplate

Detection method: absorbance - 340

Signal response: increase

Linear range: 0,5 to 30 µg of L-malic acid per assay

Reaction time: ~ 3 min

Detection limit: 0,25 mg/l

Stability: > 2 years under recommended storage conditions

Method recognition: method based on this principle have been accepted by AOAC, EEC, EN, NF, NEN, DIN, GOST, OIV, IFU, AIJN and MEBAK


 

• PVP incorporated to prevent tannin inhibition
• Both enzymes supplied as stable suspensions
• All reagents stable for > 2 years after preparation
• Very rapid reaction (~ 3 min)
• Spreadsheet available
• Standard included
• Extended cofactors stability
• Suitable for manual and microplate format
• Very competitive price (cost per test)

Wine, beer, fruit juices, soft drinks, candies, fruit and vegetables, bread, cosmetics, pharmaceuticals and other materials (e.g. biological cultures, samples, etc.)

Data Booklet Safety data sheet Calculator data Product performance Report validation

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