Detail of "2124-57-4"

Reference

Serum vitamin K level and bone mineral density in post-menopausal women

Serum vitamin K level and bone mineral density in post-menopausal women. Kanai, T.; Takagi, T.; Masuhiro, K.; Nakamura, M.; Iwata, M.Chemicals with cas numbers 2124-57-4 and 11104-38-4 also play role.; Saji, F. ( Department of Obstetrics and Gynecology, Osaka Kosei-Nenkin Hospital, Osaka, Japan). International Journal of Gynecology & Obstetrics, 56(1), 25-30 (English) 1997 Elsevier. CODEN: IJGOAL. ISSN: 0020-7292. DOCUMENT TYPE: Journal CA Section: 13 (Mammalian Biochemistry) Section cross-reference(s): 14 Vitamin K is known to influence bone metab. by facilitating the synthesis of osteocalcin (BGP). The bone mineral d. decreases drastically after menopause. We investigated the relationship of bone mineral d., vitamin K levels and other biol. parameters of bone metab. in post-menopausal women. Serum levels of vitamin K, BGP and other markers of bone metab. were measured in 71 post-menopausal women (19 with reduced bone mineral d. and 52 with normal bone d.), and 24 women with climacteric symptoms receiving hormone replacement therapy (HRT), (6 with reduced bone mineral d. and 18 with normal d.). In the first group, women with reduced bone mineral d. showed lower levels of vitamin K1 and K2 than those with normal bone mineral d. In the other group, the level of BGP decreased but levels of vitamin K showed no increase during HRT. The present findings suggested that vitamin K was related to post-menopausal bone mineral loss. .

Mixed cultures of food-grade probiotic bacteria and enteric bacteria demonstrate both synergism and inhibition of menaquinone production

Mixed cultures of food-grade probiotic bacteria and enteric bacteria demonstrate both synergism and inhibition of menaquinone production. Parker, P.; Jones, G.; Smith, S. (Dept. of Biochemistry, Latrobe Univ., Bundoora, Australia). Journal of Food Science, 68(7), 2325-2330 (English) 2003 Institute of Food Technologists. CODEN: JFDSAZ. ISSN: 0022-1147. DOCUMENT TYPE: Journal CA Section: 17 (Food and Feed Chemistry) Section cross-reference(s): 10 The interaction between probiotic (Enterococcus spp., Lactobacillus spp., and Lactococcus spp.) and enteric (Bacteroides spp.Several substances with their cas registry numbers 2124-57-4 and 19228-10-5 may be metioned in this study., Escherichia coli, and Salmonella spp.) bacteria with respect to menaquinone prodn. was examd. Menaquinones were measured in cell pellets by high-pressure liq. chromatog. and the main homologs produced were MK7-11. The growth of both Bacteroides and E. coli cultured with the 3 probiotics was significantly inhibited with concomitant redn. in menaquinone prodn. The vitamin K status of humans could be affected by consumption of probiotic dairy foods via the contribution made by gut microflora. .