Ox gall
Jump to navigation
Jump to search
This article does not cite any sources. (December 2019) (Learn how and when to remove this template message) |
Ox gall is gall, usually obtained from cows, that is mixed with alcohol and used as the wetting agent in paper marbling, engraving, lithography, and watercolor painting. It is a greenish-brown liquid mixture containing cholesterol, lecithin, taurocholic acid, and glycocholic acid.