膜技术在色氨酸脱色和浓缩中的应用

摘要

By using the method of ultrafiltration membrane decolorization and purification and reverse osmosis concentrated. The tryptophan fermentation liquid is purified. Transparent tryptophan fermentation liquid by the rate of less than 3 %increased to 82.58 %.Through the reverse osmosis membrane concentration , tryptophan concentrations up to 24.96 g/L.The extraction yield of 93.45%.%采用超滤膜脱色和提纯与反渗透膜浓缩的方法，对色氨酸发酵液进行提纯处理。色氨酸发酵液的透光率由小于3%提高至82.58%；通过反渗透膜浓缩，色氨酸浓度达到24.96 g/L；提取收率为93.45%。