Quantitative determination of high molecular weight ß-Glucan from barley in malt-mash and wort (EBC 4.16.3, MEBAK 3.1.4.9.2), in combination with sample extraction method EBC 4.5.1. The assay does not involve any enzyme, the reaction is a chemical / colorimetric reaction (therefore it belongs ot the product line Enzytec™ Color).