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Abstract
It has been done a study about the degenaracy of comercial methylated pectins which are used as additives in juices and nectars. It 's shown that the acid medium produces the hydrolysis to them with the release of methanol. This method provides the total determination of methanol contained in the pectin and the release of this alcohol in similar acid conditions to those of gastric juice. AOAC 's method to determine methanol has been reexamined.
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