Daf ha-kashrus

Practical Shemittah

by Rabbi Dovid Bistricer, Rabbinic Coordinator Every seven years, we have a special opportunity in eretz Yisroel to fulfill the mitzvah of shemittah. During this sabbatical year, agricultural fields are not worked, while fruits and vegetables become public property. According to the sefer Hachinuch[1], laying the lands fallow is an affirmation that one’s sustenance is […]

The Latest on Oreo Cookies

August 31, 2017 At the present time the following Oreo Sandwich Cookies do not contain dairy ingredients, though they are manufactured on dairy equipment: – Original Oreo Sandwich Cookies – Oreo Double Stuf Sandwich Cookies – Oreo Original Mega Stuff Sandwich Cookie – Mini Original Oreo Sandwich Cookies – Chocolate Oreo Sandwich Cookies – Golden […]

Lo Basi Ela L’Orer: ZEIYA

By Rabbi Eli Gersten Shulchan Aruch (Y.D. 123:24) says that wine alcohol which was distilled from stam yaynam remains assur b’hanah just like the wine itself.  Although the alcohol is just the collected zeiya (vapors) from the wine, zeiya of issur retains its status. Similarly, Shulchan Aruch (Y.D. 92:8) writes that zeiya that emanates from […]

MENACHEM AV 5774/ AUGUST 2014

• ZEIYA By Rabbi Eli Gersten • A Question that Begs an Answer • The Latest on Oreo Cookies • A Philadelphia Story, ASK OU Outreach and First Seder Presentation in Bala Cynwyd • What’s the Beracha on Meat, Fish and Eggs • Kashrus Advisory… • Mazel Tov… •  Kashrus Alert…. • Condolences

TAMMUZ 5774/ JULY 2014

•  Amira L’Akum •  The Traceability Audit •  What’s the Beracha on Soups… •  In Memory of Rabbi Shimon Joselit Z”L •  Mazel Tov… •  Kashrus Advisory… •  Condolences…

IYAR-SIVAN 5774/ MAY-JUNE 2014

• Fish Gelatin • Kosher Protocol for Receiving Liquid Bulk Commodities • Kashering Synthetic Materials • OU Passover 2014 Wrap Up: Shared Effort, Big Numbers • Mazel tovs, Kashrus Advisories, Kosher Alerts… • What’s the Bracha on Soups I  

Daf HaKashrus Shavuos 5774 – Consumer Edition

• Waiting After Eating Hard Cheese • Why is there no OU-DE symbol? • Playing with Fire-Part II • Did you know? – Chalav Yisrael

Did You Know?

The OU certifies over 800 Cholov Yisroel products. If a product is OU Cholov Yisroel, it will bear an OUD symbol and the words Cholov Yisroel, חלב ישראל or Mehadrin, מהדרין on the packaging. The OUD symbol on a product without the words Cholov Yisroel, חלב ישראל or Mehadrin, מהדרין indicates that the product is […]

Playing with Fire – Part II

by Rabbi Yaakov Luban, Executive Rabbinic Coordinator, OU Kosher  Daf Notes: The excellent article by Rabbi Luban entitled “Playing with Fire” was originally published in The Daf HaKashrus Vol. 3, No. 6, P. 24. It is reprinted here with slight modifications. In Part I, Rabbi Luban discussed the Halachic background for the prohibition of Bishul Akum. […]

NISAN 5774 / APRIL 2014

• Spray Coolers • A Review of the Railcar Lining Process • Grandfathers • Lo Basi Ela L’Orer: Achriyus Chametz • DIRTFT – Part 2 • What’s the Bracha on… Fruits & Nuts • Mazel Tov, Condolences, Kashrus Alert…