Ox gall
Подписчиков: 0, рейтинг: 0
Ox gall is gall, usually obtained from cows, that is an ingredient in bile soap and 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.