Studying on the Color Changes of Natural Dye Extracted from Red Rose by Using Four Methods
Keywords:Natural dyes, Synthetic dyes, Color brightness, Red rose, Mordant.
All dyes are colored but all colored substances are not dyes. There are two types of dyes such as natural dye and synthetic dye. The synthetic dyes may be health hazard and so people try to use the natural dye instead of synthetic dye. The natural dyes can be extracted from various colored plants, animals, fruits and earth. The purpose of this study is to know about natural dyes and able to determine the variation of the color brightness of red rose flowers depending on mordant. In this study, four color extraction methods are used and also use three different mordant. To know color brightness, some pieces of cotton fabrics are immersed in natural dye, dried and recognized their colors. Nowadays, there are many pollutants and people's health are more important. So natural dye extraction, studying, sharing knowledge and using should be done more.