Radioisotope dilution technique for determination of vitamin B12 in foods

• Published in: Journal of the Association of Official Analytical Chemists Vol. 65; no. 1; p. 85
• Main Authors: Casey, P J, Speckman, K R, Ebert, F J, Hobbs, W E
• Format: Journal Article
• Language: English
• Published: United States 01.01.1982
• Subjects: Food Analysis; Radioisotope Dilution Technique; Vitamin B 12 - analysis

A radioisotope dilution (RID) method for the determination of vitamin B12 is presented. The method combines a standard extraction procedure (AOAC 43.108, 12th ed.) with a commercially available RID assay kit. The method was evaluated on a wide range of fortified and unfortified food products. Recove...