You can use isinglass in a sentence like this: "The winemaker added isinglass to the wine to help clarify it."
The correct spelling is Isinglass; it is is a substance obtained from the swimbladders of fish (especially Beluga Sturgeon). It is a form of collagen used mainly for the clarification of wine and beer. http://en.wikipedia.org/wiki/Isinglass
As with so many processed items, some is, and some is not. It is an unfortunately common practice to use something called isinglass to make the sediment easier to remove from the wine. Isinglass is pretty disgusting.. it is made from the bladders of fish. If you have a favorite wine, just look it up on the net. I've so far been able to just type in the name of the wine followed by the word "vegan" on the search engines and so far, every one I have asked about has come up with a hit, vegan or not. Also, I have written emails to some of the consumer lines of various wineries asking about their use of isinglass.
Pectic enzymes help break down pectin in grape skins and other fruit residues after fermentation in wine production. This process helps clarify the wine and improve its flavor and aroma.
Look in the link I will place below for the answer, Note there are two sorts of Isinglass and Sodium silicate is also called Isinglass in culinary parlance.
Copper plays a significant role in the production of thief wine because it helps to remove unwanted sulfur compounds that can affect the taste and quality of the wine. The copper acts as a catalyst in the process of reducing these compounds, resulting in a smoother and more enjoyable wine.
The Production Budget for Blood and Wine was $26,000,000.
is isinglass used in airplane windshields
Some wine-makers use 'isinglass' to clarify their wines, that is, remove colloidal particles of yeast and must prior to bottling. Other wine-makers use other kinds of gelatins. Isinglass is collagen/gelatin which is gathered from fish stomachs. It is also extensively used in beer-making.
fried chicken
I don't know about the Buick but the 1924 Ford Model T Touring car had isinglass roll up windows.
oenology.