# Ox gall

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{{Short description|Bile from the gallbladder of a cow}}
{{more citations section|date=March 2026}}
{{Expand French|Fiel (peinture)}}
'''Ox gall''' (also spaced '''oxgall''') is [bile, also known as "gall"](/source/bile), is a liver secretion obtained from [cow](/source/cow)s, it is an ingredient in [bile soap](/source/bile_soap) and mixed with [alcohol](/source/Rubbing_alcohol) and used as the [wetting agent](/source/wetting_agent) in [paper marbling](/source/paper_marbling), [engraving](/source/engraving), [lithography](/source/lithography), and [watercolor painting](/source/watercolor_painting).<ref>{{cite book | last=Piva | first=Gino | title=Manuale pratico di tecnica pittorica: enciclopedia ricettario per tutti gli artisti, pittori, dilettanti, allievi delle accademie di belle arti e delle scuole artistiche | publisher=HOEPLI EDITORE | date=1984 | isbn=978-88-203-0459-1 | url=https://books.google.com/books?id=5S5H0-yRGT8C&pg=PA17&lpg=PA17&source=bl&sa=X| language=it | access-date=2026-03-03 | page=}}</ref> <ref>{{Cite book |last=SCHNAUSS |first=JULIUS |title=Collotype and Photo-Lithography |publisher=ILIFFE AND SON |year=1889 |location=London|url=https://www.gutenberg.org/files/49866/49866-h/49866-h.htm}}</ref>It is a greenish-brown liquid mixture containing [cholesterol](/source/cholesterol), [lecithin](/source/lecithin), [taurocholic acid](/source/taurocholic_acid), and [glycocholic acid](/source/glycocholic_acid).

In the 18th century it was discovered that ox gall had degreasing properties and was effective at removing protein based stains.<ref>{{Cite web |title=Effective Ox Gall Anti Stain Soap for All Your Stain Removal Needs |url=https://www.naturalfrenchsoap.com/blog/effective-ox-gall-anti-stain-soap-for-all-your-stain-removal-needs |access-date=2026-05-14 |website=The Natural French Soap Company |language=en}}</ref>

== References ==
{{reflist}}

== External links ==
* http://www.neogen.com/acumedia/pdf/ProdInfo/7216_PI.pdf
* http://www.usbio.net/item/O8175

Category:Animal glandular products
Category:Surfactants

{{Chem-stub}}

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