Method of determining tropomyosin in chitosan

Details Method of determining tropomyosin in chitosan Method of determining tropomyosin in chitosan

G - Physics

01

N

G01N 33/53 (2006.01) A23L 1/30 (2006.01) C08B 37/08 (2006.01)

Patent

CA 2586587

A method of tropomyosin determination by which the content in chitosan of proteins which may cause an allergic reaction, especially tropomyosin and peptides thereof, can be easily determined with satisfactory precision. It is characterized by subjecting the chitosan in the state of being dissolved in an aqueous solution of an organic acid to immunoassay. Also provided is chitosan in which the found value obtained by the determination method is not higher than a certain value and which is judged to be less apt to cause an allergic reaction.

La présente invention concerne un procédé destiné à la détermination de la tropomyosine, par lequel la teneur en chitosan des protéines pouvant causer une réaction allergique, en particulier la tropomyosine et des peptides de celle-ci, peut être déterminée avec une précision suffisante. Le procédé est caractérisé en ce que le chitosan, qui est dissous dans une solution aqueuse d~un acide organique, est soumis à un immunodosage. L~invention a également trait à du chitosan dont la valeur avérée, obtenue par le procédé de détermination, n~est pas supérieure à une certaine valeur et qui est considéré comme moins susceptible de provoquer une réaction allergique.

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