Characterization of Vitamin K from the Contents of Bovine Rumen
- 1 February 1970
- journal article
- research article
- Published by Elsevier in Journal of Nutrition
- Vol. 100 (2) , 190-192
- https://doi.org/10.1093/jn/100.2.190
Abstract
Samples of vitamin K isolated from the contents of bovine rumen were identified by chromatographic mobility, ultraviolet absorption spectra and mass spectra as menaquinones-10, 11, 12 and 13. The occurrence of these vitamins in the rumen supports the view that menaquinones-10, 11 and 12, isolated earlier from bovine liver, were bacterial in origin and were deposited in liver after intestinal absorption.Keywords
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