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isinglass (GB)
colle de poisson (F)
colla di pesce, ittiocolla (I)

Designation (also fish glue) for that obtained from fish bubbles (Hausen, Stör, Wels), eiweißhältiges Medium. Originally only the bubble of the house (Beluga) was used, which is native to the rivers that flow into the Caspian and Black Sea. However, bubbles of other fish species are also used today, the most suitable being beluga and sturgeon. The bubbles are cut open after being caught, soaked in hot water and freed of the outer muscle layer and blood. The excellent effects were already known in the Middle Ages. Hausenblase is positively charged and therefore attracts negatively charged substances. It was before the development of the filtration technology used to make a wine before bottling shiny ( clear ) close. Today they are used for the removal of muffles or in the form of mixed products with other means such as gelatin, The extraordinarily high Adsorption capacity is based on the high molecular glue-like, strongly swelling protein bodies of the bubbles. Only about 1 g / hl of wine is needed. Due to the relatively quick perishability it can easily get too Schönungsfehlern come. See also under beautiful and winemaking,

Hausenblase - Hausen

By Daniel Döhne - Hausen , CC BY-SA 3.0 , Link

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