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本文报告以硫酸水解猪血蛋白质、用石灰乳脱酸的新方法提取L复合晏基酸。最佳水解时间为20小时。氨基酸生成率为46.2％,氨基酸产率为34％,样品经Beckman119CL氨基酸分析仪测定,含18种氮基酸,其中包括7种人体营养必需氨基酸。 本法具有生产工艺和所需设备简单,生产周期短、容易脱色,原辅料消耗低、产品得率高的优点。具有明显的经济效益和实用价值。可以在基层单位和乡镇企业推广,投入工业化生产。
This paper reports the extraction of L-complexed mercapto acid by a new method of sulfuric acid hydrolysis of porcine blood protein and de-acidification with lime milk. The optimum hydrolysis time is 20 hours. The amino acid production rate was 46.2%, and the amino acid yield was 34%. The sample was analyzed by a Beckman 119CL amino acid analyzer and contained 18 kinds of amino acids, including 7 essential amino acids for human nutrition. This method has the advantages of simple production process, simple equipment, short production cycle, easy decolorization, low consumption of raw materials, and high product yield. Has obvious economic and practical value. It can be promoted in grass-roots units and township enterprises and put into industrial production.