A kind of preparation method of fish gelatin high-molecular material

A kind of preparation method of fish gelatin high-molecular material

  • CN 103,146,308 B
  • Filed: 03/06/2013
  • Issued: 08/19/2015
  • Est. Priority Date: 03/06/2013
  • Status: Active Grant
First Claim
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1. a preparation method for fish gelatin high-molecular material, is characterized in that comprising the following steps:

  • 1) raw materials pretreatment;

    with fish-skin, fish scale for raw material, soak with the sodium hydroxide solution containing tensio-active agent and oxygenant, then rinsed clean, adds pure water, with polycarboxylic acid, the pH of solution is adjusted to 5 ~ 6, then blends into the extraction raw material of gelatin;

    2) extraction of gelatin;

    in step

         1) add proteinase inhibitor and protein thermal denaturation protective material in the good raw material of pre-treatment, heat up and extract gelatin solution;

    3) dry;

    by step

         2) gelatin solution that obtains adopts to filter and removes melanochrome, and cooled and solidified, pulverizes after cryodrying, is prepared into fish gelatin high-molecular material powder.

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