نتایج جستجو برای: subchronic folic acid

تعداد نتایج: 748997  

2017
Qian Lin Lina Yang Fang Li Hong Qin Mingzhi Li Jihua Chen Jing Deng Xiangying Hu

BACKGROUND Folic acid supplementation is effective in reducing the risk of neural tube defects (NTDs). However, the use of folic acid is low among rural women in China. Nutrition education can provide information about folic acid and encourage its use. The primary objective of this study was to test the effectiveness of a village-based nutrition intervention on folic acid use among rural women....

2014
Jonathan P. Bestwick Wayne J. Huttly Joan K. Morris Nicholas J. Wald

BACKGROUND Taking folic acid supplements before pregnancy to reduce the risk of a neural tube defect (NTD) is especially important in countries without universal folic acid fortification. The extent of folic acid supplementation among women who had antenatal screening for Down's syndrome and NTDs at the Wolfson Institute of Preventive Medicine, London between 1999 and 2012 was assessed. METHO...

Journal: :Lancet 2007
Julie Smith Marianne Empson Clare Wall

Food fortifi cation with synthetic folic acid (pteroyl monoglutamic acid) remains a source of debate in terms of benefi t versus issues of safety and consumer choice. Several countries have adopted mandatory folic acid fortifi cation. A decision to proceed in Australasia was made in June, 2007. We report the case of a woman who had three episodes of type I hypersensitivity, including ana phylax...

ابوالقاسمی علی آرش, رزیتا, انوشیروانی , علی آرش, مهدوی مزده , میترا, کلانتر , ابراهیم,

Background and purpose: Hyperhomocysteinemia is common among patients with renal failure and the risk of cardiovascular diseases increases with hyperhomocysteinemia. The aim of this study was to compare the efficacy of two doses of folic acid (2 and 7.5 mg/day ) in decreasing plasma concentration of homocysteine in ËSRD patients receiving regular hemodialysis therapy. Materials and methods...

Journal: :acta medica iranica 0
zahra rezaei department of obstetrics & gynecology, women hospital, tehran university of medical sciences, tehran, iran. farahnaz sadat ahmadi department of obstetrics & gynecology, women hospital, tehran university of medical sciences, tehran, iran. shirin niroomanesh department of obstetrics & gynecology, women hospital, tehran university of medical sciences, tehran, iran. shahram ejtemaee mehr department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran. fatemeh davari tanha department of obstetrics & gynecology, women hospital, tehran university of medical sciences, tehran, iran. atefeh aminian department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran.

the cause of neural tube defects (ntds) is multifactorial and in this case folic acid has an important role. since the neural tube is closed during 21-28 days of pregnancy, most of women are not informed about their pregnancy at this time, and as a result the golden time of folic acid consumption is missed. the aim of this study was evaluating the performance of pregnant women attending to tehr...

Journal: :basic and clinical cancer research 0
aida ghaffari liver and gastrointestinal disease research center, tabriz university of medical sciences, tabriz, iran beitollah alipour department of vital statistics and epidemiology, faculty of health and nutrition, tabriz university of medical sciences, tabriz, iran abdolrasoul safaiyan department of vital statistics and epidemiology, faculty of health and nutrition, tabriz university of medical sciences, tabriz, iran jabiz modaresi liver and gastrointestinal disease research center, tabriz university of medical sciences, tabriz, iran mohammad hosein somi liver and gastrointestinal disease research center, tabriz university of medical sciences, tabriz, iran alireza ostadrahimi nutrition research center, department of nutrition, faculty of health and nutrition, tabriz university of medical sciences, tabriz, iran

background: gastric cancer is the fourth common malignancy and the second prevalent cause of cancer death in the world. genetic and environmental factors play an important role in the development of this cancer. nutritional and epidemiological studies have indicated that folate status modulates the risk of developing cancer and apoptosis has been reported to play a decisive role in precancerous...

2003
RALPH E. KUNKEE

Enzyme induction in Escherichia coli is stimulated by certain 5-amino-2,4-bis(substitutedamino)pyrimidines (Kunkee, 1960a). Other 2,4diaminopyrimidines have been reported to be antagonists of folic acid (Hitchings et al., 1952; Doctor, 1956). Since there are indications that the stimulation of enzyme induction involves nucleic acid metabolism (Kunkee, 1960b) and since folic acid is involved in ...

Journal: :Public health nutrition 2009
Kathleen Hennessy-Priest Jill Mustard Heather Keller Lee Rysdale Joanne Beyers Richard Goy Janis Randall Simpson

OBJECTIVE Folic acid food fortification has successfully reduced neural tube defect-affected pregnancies across Canada. The effect of this uncontrolled public health intervention on folate intake among Canadian children is, however, unknown. Our objectives were to determine folic acid intake from food fortification and whether fortification promoted adequate folate intakes, and to describe foli...

Journal: :International Journal of Medical Sciences 2004
Andrew E. Czeizel

Periconceptional use of folic acid alone or in multivitamin supplements is effective for the primary prevention of neural-tube defects. The Hungarian randomized and two-cohort controlled trials showed that periconceptional multivitamin supplementation can reduce the occurrence of some other structural birth defects, i.e. congenital abnormalities. These findings were supported by many, but not a...

Journal: :Journal of dairy science 2007
K Achanta C A Boeneke K J Aryana

Folic acid plays an important role in the prevention of neural tube defects (e.g., spina bifida and anencephaly), heart defects, facial clefts, urinary abnormalities, and limb deficiencies. Milk and milk products serve as a potential source for folic acid fortification because of the presence of folate-binding proteins that seem to be involved in folate bioavailability. Although milk is not a g...

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