Industrial Kosher Articles

OU Symbol: More Than Just Food To Eat

An editorial from Behind the Union Symbol, explaining the significance behind Kosher supervision and eating kosher food.

“Korn” Syrup And The Real Thing

The inside story of sugar and other sweeteners from the Kosher perspective.

The OU Meets The Challenge Of Certifying The Beverage Industry

A discussion of the challenges and opportunities of Kosher Certification within the beverage industry.

Making Fruit Jelly Kosher: It’s Easier Than Ever

A discussion of the manufacture of Grape Jelly and how one company has been able to use recent changes to expand their manufacture of Kosher Grape Jelly.


A history of the fat substitute Olestra and its Kosher status.


An exploration of the vanilla industry and its implications for Kosher.

All OU Symbols Explained

A complete list of all of the OU Symbols and their meaning.

High Fructose Corn Syrup

Most of us (with the possible exception of some of our more junior associates) did not, as children, have high fructose corn syrup in our foods. But as frequent visitors to food production plants around the country it has been hard not to notice that high fructose corn syrup has quickly become the primary sweetener […]

Peanut Butter I

A exploration of peanut butter and its (sticky) Kosher concerns

Peanut Butter II: Standard Of Identity

For Part 1 click here In the early 1920’s a young American entrepreneur named James Rosefield, seeking to overcome the troubling problem of oil separation in peanut butter, took advantage of a new development in oil chemistry, called hydrogenation, in which he squeezed a fraction of peanut oil out of peanuts, hydrogenated the oil, and […]