Study on Extracting Process for Red Pigment from Mulberry by Ultrafiltration-resin technology
Yang Peng-ji
Abstract
Yang Peng-ji
Abstract
A red pigment was extracted from Mulberry by ultrafiltrion-resin association technology.And ultrafiltrion-resin extracting process was studied.The result indicated that transmembrane pressure 0.12 MPa,and cross-flow velocity 2000L/h,the red pigment was separated effectively.The red pigment was absorbed when the filtrate courses through the HPD-100A resin with 75% alcohol.The high quality red pigment was obtained.Its color value is 35.60.It was enhanced 1.3 times in ultrafiltrion and 5.7 times than that of the pigment without purification.
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A red pigment was extracted from Mulberry by ultrafiltrion-resin association technology.And ultrafiltrion-resin extracting process was studied.The result indicated that transmembrane pressure 0.12 MPa,and cross-flow velocity 2000L/h,the red pigment was separated effectively.The red pigment was absorbed when the filtrate courses through the HPD-100A resin with 75% alcohol.The high quality red pigment was obtained.Its color value is 35.60.It was enhanced 1.3 times in ultrafiltrion and 5.7 times than that of the pigment without purification.
Key concepts: Pigment, Ultrafiltration (renal), Chromatography, Materials science, Red Color, Chemistry, Computer science, Organic chemistry