Production, formulation, and uses of stable liquid harpin protein formulations

Production, formulation, and uses of stable liquid harpin protein formulations

  • CN 102,149,283 A
  • Filed: 08/06/2009
  • Published: 08/10/2011
  • Est. Priority Date: 08/12/2008
  • Status: Active Application
First Claim
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1. a kind of method for the stable liquid compositions for preparing albumen containing harpin or polypeptide, methods described includes:

  • Obtain the liquid extract substantially free of cell debris and comprising harpin albumen or polypeptide;

    WithBe introduced among to the liquid extract biocide and optional protease inhibitors and one in nonionic surfactant or both, so as to obtain the fluid composition containing the harpin albumen or polypeptide, the fluid composition keeps harpin activity at least about 72 hours.

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