Preparation of lotus seed protein polypeptide
A technology of protein polypeptide and lotus seed, which is applied in the field of preparation of lotus seed protein polypeptide, can solve the problems of difficult industrial production and large investment in equipment, and achieve the effects of cost saving, good taste and avoiding bitterness
Inactive Publication Date: 2009-08-05
XIANGTAN UNIV
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Abstract
The invention discloses a preparation method of lotus seed protein polypeptide. Lotus seed protein is extracted by using a low-concentration weak base Ca (OH)2 to replace a strong base NaOH, so as to greatly reduce the influence of the strong base to raw materials and reduce the denaturalization of protein glomeration and residual lotus seed starch during the extracting process; the extracted protein has good color and taste; meanwhile, lotus nut amylum can be taken as the raw materials of other lotus seed foods additionally. In addition, low-concentration of Ca ion is more advantageous to human beings to absorb the protein, can also make up calcium deficiency and is not required to be removed; and desalting step is not needed during the extracting process of protein. In addition, the pH is not required to be adjusted during the hydrolytic process of acid protease; the hydrolysis process is simple, and the callback is not required simultaneously, the desalting process is eliminated, so that the cost is saved greatly. The hydrolysis of the acid protease is proper, so that the bitterness of products caused by the generation of a large amount of small peptide after excessive hydrolysis is avoided. The lotus seed protein polypeptide has the yield of 71.4 percent and good color and taste.
Application Domain
Fermentation
Technology Topic
Protein formationSmall peptide +10
Examples
- Experimental program(2)
Example Embodiment
Example Embodiment
PUM


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