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US 5,330,682 AGranted
Methods of emulsification with peptide emulsifiers
AssigneeAgricultural & Food Research Council
InventorsChristopher J. Brock, Michael B. Enser
Life of this patent
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Abstract
Polypeptides which consist substantially of alpha-helix-forming amino acid sequences are useful as emulsifiers, if the helix has at least one hydrophilic axial domain and at least one hydrophobic axial domain such that the helix can adapt a log-in-water orientation at a fat-water interface. The hydrophobic domain may occupy 80.degree.-280.degree. of the circle defined by the helix.
Claims12
A method for the production of an emulsified product consisting essentially of
- adding to a material to be emulsified a polypeptide consisting of not more than 29 amino acid groups having at least one alpha-helical region said alpha-helix having hydrophilic and hydrophobic axial domains such that the axial region of the polypeptide may lie on a fat/water interferace of the product with the hydrophilic axial domain in the water phase and the hydrophobic axial domain in the fat phase, the alpha-helix having at least 2 turns and wherein at least 70% of the amino acids of the polypeptide are in the alpha-helix forming region.
Dependencies are inferred from the claim text.