Walnut oil

Walnut oil

Walnut oil is oil extracted from walnuts.

Culinary use

Walnut oil is not used as extensively as other oils in food preparation due to cost. It is light-coloured and delicate in flavour and scent, with a nutty quality. Although sometimes used for pan frying, most chefs do not use walnut oil for high temperature cooking, as heating can remove some of the oil's flavour and produce a slight bitterness; instead it is used primarily as an ingredient in cold dishes such as salad dressings, where its flavour more easily comes through. In addition, the antioxidants present in the oil are easily destroyed in cooking. Most walnut oil is produced in FranceFact|date=November 2007, though there are also producers in Australia, New Zealand and California.

Artistic use

Walnut oil was one of the most important and vital oils used by Renaissance painters. Its quickness of drying and lack of yellow tint make it a good oil paint thinner and brush cleaner. However, the paint film it produces is often considered inferior to that of linseed oil.

Commercially, walnut oil has become harder to find; demand is often low, and stock can become rancid if kept improperly. Instead of walnut oil many artists and stores sell linseed oil, poppyseed oil, and safflower oil as replacements.

Walnut oil is favoured by some woodworkers as a finish for implements that will come in contact with food, such as cutting boards and wooden bowls.

Walnut oil is a good source of omega-3 fatty acids which are essential to human nutrition.


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  • Walnut oil — Walnut Wal nut, n. [OE. walnot, AS. wealh hnutu a Welsh or foreign nut, a walnut; wealh foreign, strange, n., a Welshman, Celt (akin to OHG. Walh, properly, a Celt, from the name of a Celtic tribe, in L. Volcae) + hnutu a nut; akin to D. walnoot …   The Collaborative International Dictionary of English

  • walnut oil — noun oil from walnuts • Hypernyms: ↑vegetable oil, ↑oil • Substance Holonyms: ↑English walnut * * * noun : a very pale fatty oil that does not turn yellow, that is obtained from English walnuts, and that is used in foods, artists colors, pain …   Useful english dictionary

  • Walnut — Wal nut, n. [OE. walnot, AS. wealh hnutu a Welsh or foreign nut, a walnut; wealh foreign, strange, n., a Welshman, Celt (akin to OHG. Walh, properly, a Celt, from the name of a Celtic tribe, in L. Volcae) + hnutu a nut; akin to D. walnoot, G.… …   The Collaborative International Dictionary of English

  • Walnut brown — Walnut Wal nut, n. [OE. walnot, AS. wealh hnutu a Welsh or foreign nut, a walnut; wealh foreign, strange, n., a Welshman, Celt (akin to OHG. Walh, properly, a Celt, from the name of a Celtic tribe, in L. Volcae) + hnutu a nut; akin to D. walnoot …   The Collaborative International Dictionary of English

  • Walnut (disambiguation) — Walnut ( Juglans ) is a genus of trees in the family Juglandaceae, (including Persian Walnut, Japanese Walnut and White Walnut) as well as the nuts growing on those types of tree, and the Walnut oil that can be produced from them, and the Walnut… …   Wikipedia

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  • oil — I UK [ɔɪl] / US noun Word forms oil : singular oil plural oils *** 1) a) [uncountable] a thick dark smooth liquid from under the ground, used for making petrol and other fuels The Middle Eastern countries produce most of the world s oil. We need… …   English dictionary

  • Oil cake — is the solid residue that can be removed from various types of oily seeds. The residue is usually extracted by being pressed, removing the oil. Oil cake is valued for being rich in minerals and protein. Their most common use is in animal feed.… …   Wikipedia

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