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Sealing a cutting board

This is a discussion on Sealing a cutting board within the The Finishing Touch forums, part of the General Woodworking category; I have just made four cutting boards from 40mm thick white beech. After sanding to ...


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Old 12-18-2011, 08:15 AM   #1 (permalink)
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I have just made four cutting boards from 40mm thick white beech. After sanding to a smooth finish, I wiped boards down with water to remove sanding dust and found that the grain seemed to lift giving sharp edges that are sure to cause splinters. Can I seal this wood with something to prevent this happening? Bear in mind that these will be used to cut food on, meat, bread etc so I am hesitating over what to use. Any advise would be appreciated.

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Old 12-18-2011, 09:13 AM   #2 (permalink)
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I have never made a cutting board but Fine Woodworking suggest mineral oil or walnut oil as a safe finish. Walnut oil will dry after a day or so whereas mineral oil will always be a bit oily. The mineral oil selected must be safe for food prep.
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Old 12-18-2011, 09:51 AM   #3 (permalink)
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Hi

You want a oil base item,it will bead the water off the board but take care some of the items will go rancid is sort order,,and become a Bacterial Haven ,try some baby oil it works well..

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I have never made a cutting board but Fine Woodworking suggest mineral oil or walnut oil as a safe finish. Walnut oil will dry after a day or so whereas mineral oil will always be a bit oily. The mineral oil selected must be safe for food prep.
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Old 12-18-2011, 10:21 AM   #4 (permalink)
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Thanks Bob. Is baby oil safe for food preparation? Does it dry or remain oily?
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Old 12-18-2011, 10:32 AM   #5 (permalink)
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Thanks for replying Dennis. Where does one buy walnut oil? I see it can be used in salads and food preparation, does this mean a food store, or is there a grade for use with wood which may be sold by a paint outlet or timber yard?
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Old 12-18-2011, 10:34 AM   #6 (permalink)
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Pharmaceutical grade mineral oil is what you want. You can ingest a little without any side effects.
It could be that baby oil is the same, seeing as it's for babies.
Vegetable and nut oils tend to go rancid sometimes.
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Old 12-18-2011, 10:38 AM   #7 (permalink)
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Hi

It's more or less mineral oil, it will soak in, Yes it's safe for food preparation.

mineral oil
Mineral oil - Wikipedia, the free encyclopedia

" Food preparation

Food grade mineral oil has an E number of E905a, although it is not approved in food stuff in the European Union, and incidental amounts in foods are carefully regulated.[12]. Because of its properties that prevent water absorption, combined with its lack of flavor and odor, food grade mineral oil is a popular preservative for wooden cutting boards, salad bowls and utensils. Rubbing a small amount of mineral oil into a wooden kitchen item periodically will prevent absorption of food odors and ease cleaning, as well as maintain the integrity of the wood, which is otherwise subjected to repeated wetting and drying in the course of use. The oil fills small surface cracks that may otherwise harbor bacteria.[13]

Outside of the European Union, it is occasionally used in the food industry, particularly for candy. In this application, it is typically used for the glossy effect it produces, and to prevent the candy pieces from adhering to each other. It has been discouraged for use in children's foods, though it is still found in many candies, including Swedish Fish.[14] The use of food grade mineral oil is self-limiting because of its laxative effect. The maximum daily intake is calculated to be about 100 mg, of which some 80 mg are contributed from its use on machines in the baking industry.[15]

It is added to some food products as a substitute for fat. It is also used on cooking utensils or to grease cookware and bakeware to prevent food from sticking.

It is sometimes used as a lubricant in enema preparations, because most of the ingested material is excreted in the stool rather than being absorbed by the body.[15]"
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Thanks Bob. Is baby oil safe for food preparation? Does it dry or remain oily?
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Old 12-18-2011, 10:58 AM   #8 (permalink)
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I used salad bowl finish on mine - safe for use with foods.
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Old 12-18-2011, 11:18 AM   #9 (permalink)
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Salad bowl finish not for cutting boards? - by NateX @ LumberJocks.com ~ woodworking community

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Old 12-18-2011, 12:16 PM   #10 (permalink)
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Quote:
Originally Posted by Router Newbie View Post
Thanks for replying Dennis. Where does one buy walnut oil? I see it can be used in salads and food preparation, does this mean a food store, or is there a grade for use with wood which may be sold by a paint outlet or timber yard?
Walnut oil is sold in food stores for making salad dressings, etc.
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