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Comparison of Islamic and Jewish dietary laws

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Through Islam, Muslims and Jews

Permissible foods and drinks are classified as kosher in Judaism and as halal in Islam, while non-permissible foods and drinks are classified as treyf in Judaism and as haram in Islam. Many Muslims consider kosher products to also be halal, with the exception of alcoholic beverages, which are forbidden in Islam. Religiously observant Jews, however, cannot consume anything that is not explicitly kosher.

The two religions have a particular slaughter method (shechita in Judaism and dhabihah in Islam) that requires the animal to be sacrificed in the name of God and killed in a way that drains blood, which is not permitted for consumption. If these guidelines are not followed, the animal's meat is rendered treyf or haram. Jews and Muslims are also prohibited from consuming an animal that was slaughtered by a non-believer (though some Muslims may exempt "People of the Book") or without due attribution to God. Additionally, the meat and by-products of certain animals—those that are designated as ritually unclean, such as pigs and predators—cannot be made kosher or halal at all.

In addition to kosher animals, Islam permits consuming some animals that are not permissible in Judaism, such as camels. With regard to seafood, guidelines differ between Sunni Islam and Shia Islam, with the latter being more on par with Jewish restrictions than the former. Islam also does not share the Jewish taboo on mixing dairy and meat. Both religions forbid the consumption of all insects except for the locust, which can qualify as kosher and halal.

Permissibility of foods and drinks

Similarities

  • Pork is prohibited by both sets of beliefs. Animals with fangs (i.e., cats, dogs, lions, bears) are also prohibited by both sets of beliefs, as well as amphibians and reptiles.
  • Almost all animals that are kosher are also halal, such as bovines and bovids.
  • To be kosher, aquatic animals must have scales and fins. Most Sunni schools of thought adhere to the interpretation that all creatures from the ocean or the sea or lake are considered halal (except Hanafi school that require it to be fish). Twelver Shia Muslims however consider that only sea creatures that have scales are halal, but make an exception with some crustaceans; shrimp and prawns, but not lobsters. This is similar to the Jewish law with the exception of fins.
  • Gelatin, according to one of the two Islamic viewpoints, is only permissible if it comes from one of a specific set of animals. However, according to another Islamic viewpoint, all gelatin is halal due to a chemical transformation. In Judaism, kosher gelatin usually comes from the bones of a kosher animal, or is a vegan substitute, such as agar.
  • Almost all insects are prohibited by both sets of law, although of the Maliki school of Sunni Islam permits eating insects, with the condition of it being dead by any means. The few kosher insects are specific types of locusts and grasshoppers (see kosher locust) which are not eaten today in most Jewish communities and it is unknown which species is permitted (the exception being the Yemenite Jews, who claim to have preserved this knowledge); however, all types of locusts are considered halal in sharia.

Differences

  • For a substance to be halal, it must not contain alcohol of any kind. However, there is a difference drawn between the addition of alcohol to foods, which is absolutely forbidden, and the small quantities that naturally become present – such as orange juice. Except for grape wine and grape juice (which must be manufactured under Jewish supervision), kashrut allows the consumption of any sort of alcohol (besides Mezcal made with a worm/larva) as long as it has kosher ingredients (excluding any unsupervised grape extracts).
  • The list of animals forbidden by kashrut is more restrictive, as kashrut requires that to be kosher, mammals must chew cud and must have cloven hooves. Thus some animals such as camels and rabbits are halal, but not kosher.
  • According to Jewish dietary laws, cooking equipment cannot come into contact with both meat and dairy. Both the kitchen utensils and eating utensils used must be designated to either one or the other.
  • Wine was very important in early Judaism. The Jewish Talmud stated that wine is an alternative to other medicines. Wine is permitted by all Jews as long as it is kosher. In order for wine to be kosher, it has to be made with all kosher ingredients and the entirety of the process from the picking of the grapes to the process of bottling the wine has to be supervised or created by other Jews. It is also a part of the Shabbat dinner and many other rituals. Especially the Passover Seder, where part of the ritual for Jewish tradition is for each person to drink four cups of wine. Grape juice is also an acceptable substitute for its alcoholic counterpart. Wine is also recommended to drink during the Jewish holiday of Purim. Meanwhile, in Islam alcohol is considered morally and socially unacceptable and is not used in any religious processes (the exceptions being Sufi Bektaşi, who encourage it as part of their beliefs).

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