The word kosher indicates something proper and acceptable. The root of the kosher food dates back to the Bible, and the Jews have introduced it for a long 3300 years. There are three different types of kosher food. In this, it is known that the mitzvah of kosher changes the food into a form of holiness, trying to match the kitchen which is considered as a spiritual place of a dwelling place.
The word Kashrut has its origin in Hebrew indicating fit, correct or something proper. In this relation, the word kosher indicates ritual items that made been made by Jewish law to be used for different ritual purposes.
Some general dietary guidelines taken from Jewish law are enumerated as below.
It is not desirable to eat some animals and it indicates the eggs, flesh, milk, organs of the animals.
As per Jewish law, mammals and birds should be killed.
Even some parts of the permitted animals should not be eaten
Before having poultry and meat, blood should be drained out or it should be boiled properly
People can eat fruits and vegetables except bugs
If anyone wants to have the meat of mammals and birds, it is prohibited to be eaten with dairy.
Also, fruits, vegetables, fish and eggs cannot be taken with dairy or meat.