Kashrut (also kashruth or kashrus, כשרות or כַּשְׁרוּת) is the set of Jewish dietary laws.

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Confectioners glaze - non alcoholic

Recently I read an article by Rabbi Yirmiyohu Kaganoff regarding confectioners glaze. Confectioners glaze is manufactured from shellac, "a glandular secretion of the lac insect, Kerria lacca, a ...
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1answer
102 views

Could a Ben Pekuah make all cattle not eligible for Shechitah?

According to the Simlah Chadashah, the definitive work on Shechitah, a Ben Pekuah does not need Shechitah on a Torah level however the child of a Ben Pekuah and regular animal would not be eligible ...
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5answers
355 views

Is it kosher to eat live fish

In some countries people like to eat animals that are still alive (e.g. dancing squid / octopus). Clearly these animals are not kosher, but it is also possible to eat kosher-types fish that are either ...
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Is non-kosher-dyed food kosher?

Supoose some non-slaughtered-animal or non-kosher-species ingredient gets mixed accidentally into a larger food. From what I understand, if the non-kosher ingredient is not thought to add flavor to ...
6
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4answers
2k views

KORC - Kosher Symbol

I was in Costco today and saw chopped romaine lettuce with the KORC symbol. I was wondering if anyone knows if this symbol is accepted by the OU or other large Kashrus organizations.
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1answer
79 views

How much aged cheese is needed in a cheese mix to require waiting 6 hours?

According to Remo in Shulchan Aruch Yorah De'ah a9:2 as referred in this OU article, people should wait 6 hours after eating hard cheese. Let's say someone eats a type of cheese that is partially ...
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38 views

Source for requirement of 3rd party hechsher? [duplicate]

When you eat another Jew's food, you are entitled to rely on him for the kashrus of the food. By that reasoning, if he opens a restaurant, and you know him to be Yarei Shamayim, you shouldn't need ...
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1answer
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Is there a problem with eating Gummy Bears and Meat together?

Most kosher gummy bears (and other gummy candy) that I have seen contain fish gelatin. Since there is a warning in the Shulchan Aruch against eating fish and meat together, does the same apply to ...
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0answers
40 views

How many degrees of separation from food does one have to kasher?

I understand that the sink, the dishwasher, and sponges, etc. all need to be kashered, presumably because they touch things (plates, utensils) that also touch food. But how many degrees of separate ...
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2answers
68 views

Can a Jew borrow a cup of sugar from his non-Jewish neighbor?

I'm not specifically asking about stealing and owing concerns, although those may also be of interest. My question is actually: Can we use kosher-labeled ingredients from a non-Jew's home? (I ...
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3answers
152 views

What rules need to be followed in order for a non-Jewish professional chef to cook Kosher food for a Jewish customer?

I'm a non-Jewish professional chef in a restaurant, and I am marginally aware of kosher dietary restrictions. I know that the food itself, as well as the pots, pans, and other utensils used in ...
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3answers
233 views

Is a bottle or jug of 100% pure maple syrup kosher without certification?

There are several farmers' markets scattered around the New York City area. Many of them carry bottles or jugs of 100% NY State or Vermont maple syrup. Occasionally I find Canadian maple syrup. (For ...
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0answers
22 views

Is it against Kosher law to combine poultry and cheese? [duplicate]

As I understand it, the prohibition on mixing meat with cheese is based on the commandment against "seething a kid in its mother's milk". Since poultry are birds, and birds don't produce milk, is it ...
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0answers
24 views

10 second rule for food on ground [duplicate]

Throughout the secular world I've heard the expression "10 second rule" whenever a piece of food has fallen to the ground (and someone still wants to eat it). The 10 second rule permits the food to ...
7
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1answer
134 views

does a water bottle become fleishig from a meal?

If I drank from a water bottle during a meat meal, does it become meat? Basically, if I drink from the same water bottle a few hours later, do I need to wait six hours again?
4
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1answer
64 views

Kosher nicotine replacement therapy?

I've tried to quit nicotine cold turkey and find it difficult. Are there any replacement therapies -- such as nicotine gum or lozenges -- that are kosher? Aside from possible kashrut issues, are ...
6
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2answers
481 views

Fresh fish need hechsher

Does fresh fish from a supermarket or fish market require a hechsher? I would be tempted to believe that a fish known to be of a kosher variety would not need certification since there is no shechita ...
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1answer
136 views

Does jam have the halacha of duchka d'sakina?

The Chochmas Adom in 49:9 holds that all fruit have the halacha of duchka d'sakina, and that if you cut a fruit with a meat knife which was not definitively clean, you need to scrape off the outer ...
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0answers
48 views

Can a Jew work in non-kosher food warehouse?

Can a Jew work in non-kosher food warehouse? I mean to lift boxes from one place to another, to load pallets filled with boxes of non-kosher stuff. My question is about specific warehouse where there ...
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3answers
72 views

Kashruth Issues with Dog Food?

If someone is keeping a vegetarian/milk household, and then they acquire a dog that eats meat based dog food products, what potential Kashruth issues might arise? Would there be difference in Kashruth ...
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2answers
186 views

any point to avoiding meat and shellfish at non-kosher restaurants?

Some Jews have a practice of keeping kosher at home but eating at non-kosher restaurants, where they will be sure to avoid ordering meat or shellfish. Is there any "point" to this from a halachic ...
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2answers
135 views

Can non-biological matter cause your sink, dishes, or food to become non-kosher?

For instance, if something non-edible such as a chemical or eraser shavings are drained down the sink, would that cause any kashrut problems?
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3answers
971 views

Is Red Bull™ kosher?

Is the Red Bull™ energy drink kosher?
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5answers
12k views

Is there a problem with Triangle K? If so, what?

I want to know what the OU's or any other Orthodox kashrut agency's problem is with Triangle K. I have read about the Ralbag family which founded and runs the Triangle K and they are clearly Orthodox. ...
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1answer
85 views

Do Whole Vanilla Beans Need A Hekhsher?

Vanilla beans and their derivatives are commonly used in many dishes as a spice. The whole beans are available for purchase in stores and online. I understand that plain fruits and vegetables (when ...
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2answers
66 views

Ben Noach give a non-religious ben Yisrael non-kosher food?

If a ben Noach invites a non-religious ben Yisrael to his home for Torah study(let's say they study the seven laws of Noach together) and the ben Yisrael gets hungry, and he's going to not eat kosher ...
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2answers
58 views

What qualifications are necessary to become a mashgiach?

I had thought that mashgochim (kosher kitchen supervisors) had to have semikkha or darn close. But people have been telling me that all you need to do is "know the laws" of kashrus, which they seem to ...
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1answer
84 views

Is there a concern regarding the kashrut of microorganisms?

Since I have seen many religious people drink fresh spring water, I assume that there is no concern regarding the kashrut of microorganisms in the water such as hydra and paramecia, among other ...
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2answers
85 views

Questions about eating Kosher

Is the main considerations on what meat is Kosher made public in Leviticus 11 or is there other Jewish sources that may give further illumination on what food is considered kosher? Also is there ...
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3answers
58 views

Can one Shecht with a Wire

Can one ritually slaughter with a wire? Why or why not? The Talmud says that any implement may be used, so according to that a wire would be fine. Are there any technical problems that would ...
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0answers
51 views

Why were birds considered to be flieishig (meat) but not fish?

I am basing this on what I had heard in yeshiva a while ago, so I don't know the exact source of the reasoning. My understanding is that according to the Torah, birds (poultry) were considered parve ...
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1answer
96 views

Can a Jewish actor participate in a pie-throwing scene that uses non-kosher pies?

For those younger readers who may be unfamiliar, (call me an "A.K." if you wish) pie throwing was a common comedic scene and activity in several movies and T.V. skits such as The 3 Stooges (nyuk ...
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2answers
118 views

Are “Kosher Salts” Kosher?

Is "Kosher salt" supposed to be understood as certain salts that adhere to the Jewish religions dietary restrictions? I'm curious if this is so what about salt can make it kosher or non kosher?
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Should a Va'ad revoke kosher certification of caterers that allow catering a gay marraige affair? [duplicate]

Related and a follow up to this M.Y. question: The U.S. Supreme Court has legalized gay marriages in al states. There have been several publicized law suits in a few states where a gay couple sued a ...
3
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0answers
82 views

Batel b'shisim on a large scale

Suppose someone is making a huge 50-gallon vat of cholent. Accidentally, an entire bag of milk breaks and spills into the cholent. There is more than 60x as much meat cholent as there is milk, so the ...
4
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1answer
469 views

Are these cookies kosher?

These cookies have no certification on the box itself, it is made in a spanish speaking country. yet they have a sticker with a kosher certification put on them. is this reliable? This is not a ...
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2answers
131 views

Waiting to reveal Kosher issue in order to get to the root of the problem

Suppose a Mashgiach realizes that a store is selling Treif meat, however is unsure as to the source of the problem. If he announces immediately that this store is selling something not Kosher he may ...
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4answers
517 views
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58 views

Is it permitted to eat boogers?

I apologize for the question. but is it permitted to eat ones boogers? possibility of blood? is it Baal Teshakzu? totally permitted similar to nail biting? and would it be forbidden on shabbos?
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1answer
792 views

Kosher Cheese without a posted hechsher

I live in a remote area of Canada and don't have access to a kosher market to buy cheese. There are many European imports in the local super, and I was wondering if there is a list of cheeses which ...
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2answers
128 views

Kashrut of Bread [duplicate]

Assuming bread was prepared and baked by a Gentile using only kosher ingredients (e.g. kosher flour, water and kosher yeast) and only kosher equipment, what conditions would render such bread fit for ...
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1answer
57 views

ka-kosher legit?

I want to know if anyone knows or anyone can help me determine if: ka-kosher as presented at ka-kosher.com is a legit (orthodox) kosher certification. I noticed the symbol on a bag of frozen organic ...
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0answers
22 views

When do dietary supplements need a hechsher?

I am looking to purchase a probiotic supplement (http://www.amazon.com/gp/aw/d/B003THZ06A?vs=1, ingredients: ...
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0answers
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A kohen who marries Gerusha as Mashgiach

Is a Kohen who marries a Gerusha(divorcee) but is observant in Shabbos and Kashrus allowed to be a Mashgiach?
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30 views

Does eating a parev item cooked in an oven with meat make you meaty?

If I cook (e.g.) roasted vegetables in an oven whilst at the same time cooking a chicken in a different shelf, would eating the roasted vegetables render me meaty? There are several factors that need ...
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1answer
28 views

Do drugs need to be kosher? [duplicate]

Specifically, does it matter if medication comes in gelatin capsules? Is there a difference what the medication is?
3
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1answer
60 views

Swallowing fingernails

Although it is permitted to bite ones nails, and is not considered uncouth as is stated in Moed Koton (18a): אמר רב שמן בר אבא הוה קאימנא קמיה דר' יוחנן בי מדרשא בחולו של מועד ושקלינהו לטופריה ...
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2answers
74 views

Earliest sources for the hot-rock method of hagalah

What is the earliest source explaining how to do hagalah? What is the earliest place we see detailed instructions for the hot rock method as opposed to the clay/dough method? To elaborate: If you ...
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Length of time for waiting for hard cheese proportionate to the length of time it was aged

In a Halachic pamphlet I saw before Shavuos this year, it mentioned an opinion that one must wait after eating hard cheese one hour for every month it is aged (so if it was aged three months, three ...
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3answers
114 views

Sources about the Kosher status of Royal Jelly

Royal Jelly ("a glandular secretion and its color is a whitish yellow. Its consistency is creamier and less viscous than honey. Its taste is bitter, although not offensively so.") according to this OU ...