Results 221 to 230 of about 277,539 (261)

THE USE OF 2-METHYL-1,4-NAPHTHOQUINONE (A SYNTHETIC VITAMIN K SUBSTITUTE)

Journal of the American Medical Association, 1940
The isolation of vitamin K in pure form has led to the discovery that several simpler naphthoquinones share the antihemorrhagic properties of vitamin K. The most potent of the synthetic preparations so far assayed is 2-methyl 1,4-naphthoquinone. A clinical trial of this material on ten patients with prothrombin deficiency seems to confirm the high ...
JONATHAN E. RHOADS, MAURICE T. FLIEGELMAN   +1 more
openaire   +1 more source

Comparative Effects of Vitamin K₂ and Vitamin E on Experimental Arteriosclerosis

International Journal for Vitamin and Nutrition Research, 1999
The comparative effects of vitamin K2 and vitamin E on aortic calcium (Ca) and inorganic phosphorus (P) levels in the aorta and the elastin fraction (fr.) were investigated in male rats after experimental arteriosclerosis was induced by vitamin D2 with atherogenic diet.
Y, Seyama, M, Hayashi, H, Takegami, E, Usami   +3 more
openaire   +2 more sources

Gas‐chromatographische und massenspektrometrische Untersuchung von Phytylubichinon, Vitamin K₁ und Vitamin K₂

Helvetica Chimica Acta, 1967
AbstractThe trimethylsilyl ethers of reduced vitamins K1, K2, and of phytylubiquinone were investigated by means of gas chromatography and mass spectrometry.
W. Vetter, M. Vecchi, H. Gutmann, R. Rüegg, W. Walther, P. Meyer   +5 more
openaire   +1 more source

[Research progress of relationship between vitamin K and type 2 diabetes].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine], 2020
Objective: To systematically review research on the association between vitamin K and type 2 diabetes and diabetes-related biomarkers in humans, and evaluate the role of vitamin K in the prevention of type 2 diabetes. Methods: "Vitamin K", "type 2 diabetes" and related terms were searched in PubMed, EMBASE, China National Knowledge Infrastructure (CNKI)
A L, Cao, Y W, Lai, H G, Chen, L T, Sheng, A, Pan   +4 more
openaire   +1 more source

Über die Vitamine K₁ und K₂

Angewandte Chemie, 1959
AbstractDie K‐Vitamine beeinflussen die Biosynthese des Prothrombins und weiterer Blutgerinnungsfaktoren. Vitamin‐K‐Mangel führt zu Störungen des Blutgerinnungsvermögens. Das synthetisch leicht auf mehreren Wegen zugängliche Vitamin K1 ist am besten zur Herstellung pharmazeutischer Gebrauchsformen und als Standardpräparat geeignet.
openaire   +1 more source

Vitamin K and multiple diseases: a comparison between vitamin K ₁ and vitamin K ₂

Norsk tidsskrift for ernæring, 2018
Thomas K. Reinan*, Asim K. Duttaroy
openaire   +1 more source

THE ISOLATION OF VITAMINS K₁ AND K₂

Journal of the American Chemical Society, 1939
R. W. McKee, S. B. Binkley, D. W. MacCorquodale, S. A. Thayer, E. A. Doisy   +4 more
openaire   +1 more source

DERIVATIVES OF VITAMINS K₁ AND K₂

Journal of the American Chemical Society, 1939
S. B. Binkley, D. W. MacCorquodale, L. C. Cheney, S. A. Thayer, R. W. McKee, E. A. Doisy   +5 more
openaire   +1 more source

Biosynthesis of bacterial menaquinones (vitamins K2)

Biochemistry, 1971
I M, Campbell, D J, Robins, M, Kelsey, R, Bentley   +3 more
openaire   +2 more sources

Vitamin K – an update Part 2: Medical aspects

Ernahrungs Umschau, 2017
openaire   +1 more source