Philosophical
Jewish philosophy divides the 613 commandments (or mitzvot) into three groups—laws that … See more

Adherence
Many Jews partially observe kashrut, by abstaining from pork or shellfish or by not drinking milk with meat dishes. Some keep kosher at home but … See more

A treef (Surinamese Dutch, derived from Sranan Tongo trefu) is a food taboo. In Suriname certain groups of people have long adhered to belief in treef, especially among people of African descent. The consumption of certain foods is prohibited, in the belief that it … See more

Prohibited foods
The laws of kashrut can be classified according to the origin of the prohibition (Biblical or rabbinical) and whether the prohibition concerns the food itself or a mixture of foods.
Biblically prohibited … See more

Hashgacha
Certain foods must be prepared in whole or in part by Jews. This includes grape wine, certain cooked foods (bishul akum), cheese (g'vinat … See more

Mehadrin
Mehadrin is a term most commonly used with the meaning of enhanced or stricter kashrut rules. Its See more

Although the term kosher relates mainly to food, it sometimes occurs in other contexts. Some Orthodox retailers sell kosher cell phones—stripped-down devices with limited … See more