Isinglass advantageous in situations where minimal use of water is desired for the parchment as the isinglass can be reactivated with an ethanol-water mixture. It also has a greater adhesive strength than many other adhesives used for parchment repair. Isinglass Isinglass () is a substance obtained from the dried swim bladders of fish. It is a form of collagen used mainly for the clarification or fining of some beer and wine. It can also be cooked into a paste for specialised gluing purposes. Its origin is from the obsolete Dutch "huizenblaas" – "huizen" is a kind of sturgeon, and "blaas" is
Winemaking in Bordeaux process before being released. In Bordeaux the oenologists play a huge role. Many oenologists work as consultants to different châteaux and carry much weight in major decisions regarding the wine. Amongst the most famous oenologists are Emile Peynaud, Jacques Boissenot, Pascal Chantonnet, Olivier Dauga, Stéphane Derenoncourt, Denis Dubourdieu, Jean-Philippe Fort, Gilles Pauquet, Michel Rolland, Stéphane Toutoundji and Christian Veyry. Winemaking in Bordeaux Winemaking in Bordeaux is the collection of processes used to make Bordeaux wine. Winemaking in Bordeaux differs from winemaking in other places both because of the Bordelais climate and because of the particular Bordeaux style which the wine-maker