OU Kosher Staff

The Kosher Color Spectrum: The Kosher Status Of Food Colorants

An explanation of food colorants and its implications for Kosher supervision.

OU Kosher Releases Passover Guidelines For Non-Food Items

The list is available here.

The Beginnings Of OU Kosher

The beginnings of the Orthodox Union’s Kashruth Division and the world famous OU symbol.

Close, But Not Quite The Same

A clarification of confusing terms such as Lactic acid/Lactose/lactones; valerian/valeric acid, glycerol (glycerin)/glycol/glycine; inositol/inositate; whey/whey cream/cream

Sugar Alcohols

Sugar Alcohols and their implications for Kosher Certification.

Chocolate

A review of the chocolate industry and its implications for Kosher.

Master List of Temperatures

A master list of temperatures with halachic or kosher relevance.

Master List Of Bishul Akum Status Of Foods

A summary of the reasons why food may be exempt from the rules of Bishul Akum.

Low-Fat And Imitation Cheese Manufacture

The Halakhic implications and status of low fat and artificial cheeses.

Butter

The challenges and concerns of Kosher certification of butter