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Brown color extraction from ivy woody stems involves isolating natural pigments such as tannins, polyphenols, and lignins that impart rich brown hues. The process begins with harvesting and thoroughly cleaning the woody stems, followed by drying and grinding them into fine particles to enhance extraction efficiency. Extraction is typically carried out using solvents like hot water, ethanol, or methanol under controlled temperature and pH conditions to maximize pigment yield while preserving color stability. Techniques such as ultrasound-assisted extraction or maceration can improve pigment recovery and reduce extraction time. After extraction, the solution is filtered and concentrated to produce a natural brown dye widely used in textile dyeing, wood staining, and cosmetic formulations. Controlling extraction parameters is essential to maintain consistent color intensity and pigment quality.
Best Engineering
Best Engineering
Best Engineering
Best Engineering
Best Engineering
Best Engineering
Best Engineering
Best Engineering
Best Engineering