K-LMAL-50 | L-Malic Acid Assay Kit (Manual Format) 58 Assays
L-Malic Acid (Regular) Assay Kit, for the specific assay of L-malic acid (L-malate) in beverages and food products.
Manual format UV-method for the determination of L-Malic Acid in foodstuffs, beverages and other materials
(1) L-Malic acid + NAD+ ↔ oxaloacetate + NADH + H+
(2) Oxaloacetate + L-glutamate → L-aspartate + 2-oxoglutarate
Kit size: (K-LMAL) * 58 assays (manual) / 580 (microplate)
* The number of manual tests per kit can be doubled if all volumes are halved.
This can be readily accommodated using the MegaQuantTM Wave
Method: Spectrophotometric at 340 nm
Reaction time: ~ 3 min
Detection limit: 0.25 mg/L
Wine, beer, fruit juices, soft drinks, candies, fruit and vegetables, bread, cosmetics, pharmaceuticals and other materials (e.g. biological cultures, samples, etc.)
Methods based on this principle have been accepted by AOAC, EEC, EN, NF, NEN, DIN, GOST, OIV, IFU, AIJN and MEBAK