Garlic oil

Short description: Volatile oil derived from garlic

Garlic oil is the volatile oil derived from garlic.[1] It is usually prepared using steam distillation, and can also be produced via distillation using ether. It is used in cooking and as a seasoning, a nutritional supplement, and also as an insecticide.

## Contents

* 1 Preparation
* 2 Uses
* 3 Potential adverse effects
* 4 Garlic-flavored oil
* 5 See also
* 6 References

## Preparation

Garlic oil is typically prepared using steam distillation,[1] where crushed garlic is steamed with the resultant condensation containing the oil.[2] Garlic oil contains volatile sulfur compounds such as diallyl disulfide, a 60% constituent of the oil.[1][3][4][5] Steam-distilled garlic oil typically has a pungent and disagreeable odor and a brownish-yellow color.[6] Its odor has been attributed to the presence of diallyl disulfide.[1][6] To produce around 1 gram of pure steam-distilled garlic oil, around 500 grams of garlic is required.[2] Undiluted garlic oil has 900 times the strength of fresh garlic, and 200 times the strength of dehydrated garlic.[6]

Ether can also be used to extract garlic oil.[2] A type of garlic oil involves soaking diced or crushed garlic in vegetable oil, but this is not pure garlic oil; rather it is a garlic-infused oil.[2]

## Uses

Garlic oil is used as a dietary supplement or digestive aid commonly sold in capsules, which may be diluted with other ingredients.[1][2] Some commercial preparations are produced with various levels of dilution, such as a preparation that contains 10% garlic oil.[6] There is no clinical research confirming health effects of consuming garlic oil.[1]

Stabilized garlic flavor blend is a proprietary mixture of dehydrated garlic powder infused with garlic oil, which increases the flavor of the garlic powder.[7]

Garlic oil can be used as an insecticide, diluted with water and sprayed on plants.[8][9]

## Potential adverse effects

Common adverse effects of consuming garlic, garlic oil, and garlic supplements are breath and body odor, abdominal pain, nausea, vomiting, and other symptoms of gastrointestinal disorders.[1] Garlic oil consumption may have anticoagulant effects in some people, causing bleeding, and may interfere with prescription drugs.[1]

## Garlic-flavored oil

Garlic-flavored oil: vegetable oil infused with garlic used for seasoning

Garlic-flavored oil is produced and used for cooking and seasoning purposes, and is sometimes used as an ingredient in seasoning mixtures.[2][6] This differs from essential garlic oil, and typically involves the use of chopped, macerated or crushed garlic placed in various vegetable oils to flavor the oil.[1]

## See also

* Garlic sauce
* List of essential oils
* List of garlic dishes

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "Garlic and organosulfur compounds" (in en). Micronutrient Information Center, Linus Pauling Institute, Oregon State University. 1 September 2016. https://lpi.oregonstate.edu/mic/food-beverages/garlic.
2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Stanway, P. (2012). The Miracle of Garlic: Practical Tips for Health & Home. Watkins Media. p. 25. ISBN 978-1-78028-607-5. https://books.google.com/books?id=PW48CgAAQBAJ&pg=PT25. Retrieved December 29, 2017.
3. ↑ Kenneth T. Farrell (1999), Spices, condiments, and seasonings (2nd ed.), Gaithersburg, Md.: Aspen Publishers, pp. 101, ISBN 0-8342-1337-0
4. ↑ Dennis J. McKenna (2011), Botanical Medicines : the Desk Reference for Major Herbal Supplements. (Second ed.), New York: Routledge, pp. 377, ISBN 978-1-136-39356-3
5. ↑ Hans Ferdinand Linskens (1991), Essential Oils and Waxes, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 105, ISBN 978-3-642-84023-4
6. ↑ 6.0 6.1 6.2 6.3 6.4 Farrell, K.T. (1998). Spices, Condiments and Seasonings. Chapman & Hall food science book. Springer US. p. 101. ISBN 978-0-8342-1337-1. https://books.google.com/books?id=ehAFUhWV4QMC&pg=PA101. Retrieved December 29, 2017.
7. ↑ Indian Spices. Spices Export Promotion Council.. 1996. p. 46. https://books.google.com/books?id=yFtEAAAAYAAJ. Retrieved December 29, 2017.
8. ↑ Ellis, B.W.; Bradley, F.M.; Atthowe, H. (1996). The Organic Gardener's Handbook of Natural Insect and Disease Control: A Complete Problem-Solving Guide to Keeping Your Garden and Yard Healthy Without Chemicals. Rodale Books. p. 473. ISBN 978-0-87596-753-0. https://books.google.com/books?id=v5We-H9B4kcC&pg=PA473. Retrieved December 29, 2017.
9. ↑ Baser, K.H.C.; Buchbauer, G. (2015). Handbook of Essential Oils: Science, Technology, and Applications, Second Edition. CRC Press. p. 659. ISBN 978-1-4665-9047-2. https://books.google.com/books?id=JXe9CgAAQBAJ&pg=PA659. Retrieved December 29, 2017.

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Allium

* Allium species
* Chives
* Garlic
* Leek
* Onion

Onion cultivars|

* Bangalore rose onion
* Calçot
* Cipolla di Giarratana
* Cocktail
* Common / Bulb
* Yellow
* Red
* White
* Figueres onion
* Pearl
* Potato
* Scallion
* Shallot
* Sweet
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* Vidalia

Onion species|

| Allium…|

* …abramsii
* …acuminatum
* …aflatunense
* …ampeloprasum
* …amplectens
* …anceps
* …atrorubens
* …bisceptrum
* …bolanderi
* …burlewii
* …caeruleum
* …campanulatum
* …cernuum
* …chinense
* …cratericola
* …crispum
* …cristophii
* …koreanum
* …monanthum
* …platycaule
* …praecox
* …punctum
* …sanbornii
* …shevockii
* …siskiyouense
* …sphaerocephalon
* …stellatum
* …stipitatum
* …textile
* …tribracteatum
* …tricoccum
* …triquetrum
* …tuolumnense
* …unifolium
* …validum
* …victorialis
* …yosemitense

|

Onion food|

* List of onion dishes
* Blooming
* Fried
* Onion cake
* Flammkuchen
* Zwiebelkuchen
* Onion ring
* Pickled
* Sogan-dolma

Garlic cultivars|

* Elephant
* Garlic chives
* Snow Mountain
* Solo

Garlic species|

| Allium…|

* …canadense
* …drummondii
* …moly
* …neapolitanum
* …nigrum
* …roseum
* …sphaerocephalon
* …triquetrum
* …ursinum
* …vineale

|

Garlic food|

* List of garlic dishes
* Black garlic
* Persillade
* Pistou
* Garlic oil
* Garlic press
* Garlic bread
* Garlic chutney
* Beurre à la bourguignonne (garlic butter)
* Garlic soup

Garlic and onion
constituents|

* Allicin
* Diallyl disulfide
* Diallyl trisulfide
* Allyl mercaptan
* syn-Propanethial-S-oxide

Related|

* Garlic Is as Good as Ten Mothers (1980 documentary)

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