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Red color extraction from Brazil wood (Caesalpinia sappan) involves isolating the natural dye compounds, mainly brazilin and brazilein, which produce vibrant red hues used traditionally in textiles, cosmetics, and food coloring. The process begins with cleaning and drying the heartwood, followed by grinding it into coarse chips or powder to enhance extraction efficiency. Solvent extraction is commonly carried out using water, ethanol, or alkaline solutions under controlled temperature conditions to maximize pigment yield while preserving color stability. Advanced techniques such as ultrasound-assisted extraction may also be applied to improve extraction rates and reduce processing time. After extraction, the liquid is filtered and concentrated to obtain a deep red extract rich in natural dye compounds. Proper control of pH, temperature, and solvent concentration is essential to maintain the intensity and quality of the red pigments derived from Brazil wood.
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Best Engineering
Best Engineering
Best Engineering