L-Malic acid - Enzymatic assay kit (auto-analyseur format)

Reference : K-LMALAF

Method for the specific measurement of L-malic acid in beverages and food products
Countries eligible for delivery
Countries eligible for delivery:
France (except Corsica and overseas departments and territories), Algeria, French overseas departments and territories, French Polynesia, Libyan Arab Jamahiriya, Morocco, Tunisia, Egypt, France (Corsica)
Method for the specific measurement of L-malic acid in beverages and food products

Shipping temperature

Storage temperature

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

Assay formatauto-analyser

Detection methodabsorbance - 340

Signal responseincrease

Linear rangeup to 80 μg/mL of L-malic acid in final reaction solution

Reaction time:
~ 3 min

Detection limit: 20 mg/l

Stability: > 2 years under recommended storage conditions

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

On calibration, the prepared reagent is linear to > 80 micrograms of L-malic acid per ml of assay solution.
  • PVP incorporated to prevent tannin inhibition
  • Very stable reagent when prepared for auto-analyser applications
  • Linear calibration (R2 ~ 0,9994) up to 80 μg/ml of L-malic acid in final reaction solution
  • Validated by the University of Wine, Suze la Rousse, France
  • Both enzymes supplied as stable suspensions
  • Very rapid reaction (~ 3 min)
  • Very competitive price (cost per ml of reagent)
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

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Reference Packaging  
K-LMALAF 245.5 mL de réactif préparé (prepared reagent) (ex : 1116 tests de 0.22 mL)