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Why the world's best known brands choose the OU for Kosher certification

Kosher for Consumers

Useful articles and interesting information about Keeping Kosher and Kosher Supervision.

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  • Close, But Not Quite the Same

    Rabbi Yaakov Lach

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

  • Dairy Primer

    Rabbi Zushe Blech

    We are often confronted with a myriad of ingredients and products grouped loosely under the “Dairy” category. The purpose of this discussion is to clarify what those products are and their Halachic status.

  • Sugar Alcohols

    Rabbi Zushe Blech

    Sugar Alcohols and their implications for Kosher Certification.

  • Chocolate

    Rabbi Zushe Blech

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

  • Summary of Halachic Issues Regarding Insects

    The the salient points covered in the OU documents regarding insects.

  • Master List of Temperatures

    A master list of temperatures with halachic or kosher relevance.

  • Master List of Bishul Akum Status of Foods

    Rabbi Dovid Cohen

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

  • Low-Fat and Artificial Cheese Manufacture

    Rabbi Zushe Blech

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

  • Butter

    Rabbi Zushe Blech

    The challenges and concerns of Kosher certification of butter

  • Mezonos Rolls

    Rabbi Yaakov Luban

    The official OU policy on Mezonos Rolls

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