Kosher foods are those that conform to the rules of Jewish religion. These rules form the main aspect of kashrut, Jewish dietary laws.
Reasons for food being non-kosher include the presence of ingredients derived from non-kosher animals or from kosher animals that were not properly slaughtered, a mixture of meat and milk, wine or grape juice (or their derivatives) produced without supervision, the use of produce from Israel that has not been tith...
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Kosher foods are those that conform to the rules of Jewish religion. These rules form the main aspect of kashrut, Jewish dietary laws.
Reasons for food being non-kosher include the presence of ingredients derived from non-kosher animals or from kosher animals that were not properly slaughtered, a mixture of meat and milk, wine or grape juice (or their derivatives) produced without supervision, the use of produce from Israel that has not been tithed, or even the use of cooking utensils and machinery which had previously been used for non-kosher food.
In Judaism most of the laws of Kashrut pertain to animals. The Torah explicitly states which animals are permitted or forbidden. In regard to birds, the Torah provides no general rule, and instead the Deuteronomic Code and Priestly Code explicitly list the prohibited birds, using names that have uncertain translations; the list seems to mainly consist of birds of prey, fish-eating water-birds, and the bat.
By contrast, for water creatures,...
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