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Journal reference: Behringer, C

When the food is swallowed, a substance in saliva called R-proteina protein that protects B12 from being destroyed by stomach acidtravels to the stomach along with the food

Each lot file carries the full chromatogram with the corresponding gradient method, integration table, and any minor peak annotations attached, and the documentation downloads from the COA panel on this page in PDF form rather than passing through a request workflow

Concentration, lot, prep date, operator, and storage temperature should be on every vial and every lab notebook entry

Biochem J 1974
