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《Journal of Shantou University(Natural Science Edition)》 1988-01
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A Preliminary Research on Utilization of Porcine Protein Resources

Zhang Erxian (Department of Biology)  
1.Whole porcine blood and dried porcine blood powder were separately hydrolyzed for only one time,using animal enzymes,and the hydrolysates thus obtained were analyzed for ammonia nitrogen,total nitrogen,protein contents,and amino acids.Both kinds of hydrolysate have been found to contain 17 kinds of amino acids,with protein contents up to 83.33%.None of the mice fed on the hydrolysate was poisoned.Upon ann- lysis their plasma protein content were found to have increased,while no changes were observed in their plasma SH group,liver tissus weight or weight index,nor was any pathological change discovered in the dissected mice, thus further testifying that the hydrolysate is of no toxicity.However,it is worth mentioning that their spleen,an immune organ,has enlarged by 21%. Soya sauce was added to 1% hydrolysate,with the result that ammonia nitrogen content increases by 32.43%. 2.A comparative study was made between the method mentioned above and the technology for extracting amino acid compound from porcine blood powder by hydrolysis with the use of sulphuric acid.Also,a study was made on the method for preparing L-amino acid compound from the hydrolysate solution by removing from the solution the sulphuric acid with the aid of milk of lime.
【Fund】: 广东省高等教育局资助课题
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