Abstract
AbstractThe results of these tests demonstrated moreover that the low sulfur dioxide contents of the starch which had been achieved in laboratory extraction methods are not achieved by industrial process, even with an elimination of sulfur dioxide during the refining steps. The reason for these differences may be seen in the fact that during industrial processing a starch‐water‐ratio has to be checked for of technological, ecological and economical reasons, which is impossible to achieve during laboratory tests.Adsorption of SO2 During Swelling of Maize. Results of Plant Tests.During investigations in four German starch plants the already experienced results could nearly be fully confirmed even without an addition of sulfur dioxide during the refining steps. At a high variability of the plant results a general mean value of 23,7 mg SO2/kg had been found for dried starch. In these investigations the highest test value for the sulfur dioxide content was still at almost 47 mg/kg. By comparison, with unaltered processing the general mean value of three plants came to 46,6 mg SO2kg.
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