Sodium carboxymethylstarch and preparation thereof
A technology of carboxymethyl starch sodium and starch, which is applied in the direction of respiratory diseases, drug combinations, allergic diseases, etc., and can solve the problems of poor clarity, low substitution degree, and poor clarity of finished products
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[0013] The following describes but does not limit the present invention through the description of the specific embodiments of the present invention.
[0014] The prior art prepares sodium carboxymethyl starch: direct heating reaction during hydrolysis and gelatinization, and hydrolysis at 50-100°C for 0.2-3.5h.
[0015] The preparation method of the present invention prepares sodium carboxymethyl starch: during hydrolysis and gelatinization, the temperature is raised from room temperature to 85° C. for heating by means of gradient heating. The specific heating method is as follows: firstly from room temperature to 60°C, with a temperature increase of 0.5-1°C per minute; then from 60°C to 85°C, with a temperature increase of 0.05-0.5°C per minute. Table 1 is the result of investigating the effect of different heating on the solubility of the finished product.
[0016] Table 1 investigates the influence of different heating on the solubility of the finished product
[0017]
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