Metavin® is produced by internal esterification of tartaric acid. It is a product with an optimum degree of esterification. A Metavin® treatment of wine delays crystallization and precipitation of tartar, that means, Metavin® inhibits the submicroscopic crystal nuclei of the tartrate crystals to grow. The period during which Metavin® has a stabilizing effect is limited and depends very much on the nature of the respective wine. The stabilizing effect lasts for approximately 6-9 months, dependent on the wine. Exceptions with shortened stability periods, are certain, rare vintages with considerable tartar oversaturation (e.g. saturation temperature exceeding 16 °C).
In these cases, the special metatartaric acid Metavin® Opti and the product MetaGum® provide for considerably prolonged stability. A determination of the saturation temperature gives an exact assessment of stability regarding tartrate precipitation. It must be considered, that Metavin®, should a subsequent heat treatment be carried through loses efficiency, which may lead to tartrate precipitation. Under such preconditions Metavin® Opti is applied best.
Erbslöh Geisenheim AG is a supplier of fruit-based beverages for the beverage industry. This company has a wide variety of products such as wines, beers, spirits, and juices. They use many filtration methods including filter sheets that contain a cross-linked fibre structure as well as special cellulose fibres. This company also uses modern distillation technologies to produce their high quality spirits.
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