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Pink color extraction from white bedstraw roots (Galium mollugo) involves isolating natural pigments, mainly anthraquinones, which impart a delicate pink hue used in natural dyes and cosmetics. The process begins with harvesting and thoroughly cleaning the roots, followed by drying and grinding into a fine powder to improve extraction efficiency. Extraction is typically carried out using solvents such as ethanol or methanol, often under controlled temperature to maximize pigment yield while preserving color stability. Advanced techniques like ultrasound-assisted extraction may be employed to enhance pigment recovery and reduce extraction time. After extraction, the solution is filtered and concentrated to produce a vibrant pink extract suitable for use in textiles, cosmetics, and pharmaceutical formulations. Maintaining precise control over solvent type, temperature, and pH is crucial to ensure the quality and intensity of the extracted pigments.
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Best Engineering
Best Engineering