CFR › Title 21 › Part 173 › §173.38521 CFR §173.385Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkSodium methyl sulfate may be present in pectin in accordance with the following conditions.(a)It is present as the result of methylation of pectin by sulfuric acid and methyl alcohol and subsequent treatment with sodium bicarbonate.(b)It does not exceed 0.1 percent by weight of the pectin.