The dye or dye is a substance that allows the application of color to an inanimate object, which is why it is widely used to change the color of clothes with time of use; There are different types of reds and this can be classified according to their origin as natural and artificial.
Natural dyes are extracted from plants by immersing them in a solution with ethyl alcohol or ethanol, other types of alcohol such as methyl or isopropyl can be used, which have more carbonated units, which will make the preparation process difficult. These in turn can be subclassified as hydroalcoholic and vinous.
The preparation of vegetable-based tinctures consists of the practice of maceration, the crushed or minced plant is immersed in small parts in the alcoholic solution, or any solvent to be used in a hermetically sealed glass container (of preferably dark), where it will fulfill an incubation period of approximately 5 to 10 days occupying a space where it does not have contact with sunlight and where high temperatures are not experienced.
As time passes, the container should be shaken a little without applying force; After the stipulated time has elapsed, the solution must be filtered through a sterile gauze. Natural colorants are not only plant-based, they can also originate from animals, examples of these can be mentioned: cow urine to originate the Indian yellow, insects for the red and violet-red color, sepia octopus to originate the light brown color and ends.
