Читать книгу Henley's Formulas, Recipes and Processes (Applied Chemistry) - Various - Страница 394
Green Coloring For Antiseptic Solutions.
Оглавление—The safest coloring substance for use in a preparation intended either for internal administration or for application to the skin is the coloring matter of leaves, chlorophyll. A tincture of spinach or of grass made by macerating 2 ounces of the freshly cut leaves in a pint of alcohol for five days will be found to give good results. If the pure coloring substance is wanted the solvent should be evaporated off.