Introduction A fascinating matter in the world of kashrut, especially regarding the kashrut of beverages, is the inclusion of using isinglass for the refining of beverages, whether mead, beer, wine, or even other beverages. This was not always the case, as Rabbi Yeḥezkel Landau wrote a responsum permitting its use [for the use in clarifying mead] (נודע ביהודה מהדורא קמא, יורה דעה כ"ו). This 177th episode of The Jewish Drinking Show features Rabbi Elli Fischer in going through this particular ...
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