Search Results for: Mace not crushed
of the vegetable kingdom, and having the capability, to a greater or lesser degree, of converting hide and skin, i.e., protein, into leather. tannins are complex organic materials, and frequently have very large molecules and high molecular weights, in the order of or greater, although it is still not
molecules and high molecular weights which break down into smaller fragments. tannins were at one time classed with the glucosides because of the sugar groups that most of them contain but they are now more often regarded as constituting a class by themselves, as some, e.g., the hemlock tannins, do not...
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