Propolis with control of "Candida albicans" and immunomodulatory effects. Propolis is used by some string instrument makers (violin, viola, cello and bass) as a varnish ingredient. Some workers use it to seal the surface of newly made bridges. Propolis was purportedly used by Antonio Stradivari in the varnish of his instruments. Propolis is used by some chewing gum manufacturers to make propolis gum. Propolis is used to bring about a chemical reaction to convert fats and oils into automobile wax during application. Propolis Propolis or bee glue is a resinous mixture that honey bees produce by mixing saliva and beeswax with
Rabbit-skin glue Rabbit-skin glue Rabbit-skin glue is a sizing that also acts as an adhesive. It is essentially refined rabbit collagen, and was originally used as an ingredient in traditional gesso. In traditional oil painting as practiced by the Renaissance painter, skin glue was used to coat the canvas. This is necessary because the linseed oil that forms the base of most oil paint contains linolenic acid that will destroy the canvas fibers over time. Though this did help to seal the canvas, they still had to cover it with another layer of a substance similar to paint in order to protect