搜索结果: 1-15 共查到“营养学 Vitamin B-12”相关记录16条 . 查询时间(0.109 秒)
Hyperhomocysteinemia and vitamin B-12 deficiency in elderly using Title IIIc nutrition services
Vitamin B-12 folate pepsinogen I
2016/12/28
The effect of the folate food fortification program on the prevalence of hyperhomocysteinemia in the older population with coexisting vitamin B-12 deficiency is not known.
Folate deficiency was traditionally diagnosed by the presence
of macrocytic anemia and abnormal red blood cell precursors in
the bone marrow in individuals with low folate concentrations.
Similarly...
Cyanocobalamin (vitamin B-12) status in Seventh-day Adventist ministers in Australia
vegan Schillings test recommended daily allowance
2016/6/1
As part of the Adventist Ministers’ Health Study,
a series of cross-sectional surveys conducted in 1992, 1994, and
1997, the serum vitamin B-12 status of 340 Australian Seventh-day
Adventist minist...
Age-related hearing loss, vitamin B-12, and folate in elderly women
hearing impairment presbycusis presbyacusis
2016/5/30
Hearing impairment is 1 of the 4 most prevalent
chronic conditions in the elderly. However, the biological basis
of age-related hearing loss is unknown.
Trends in blood folate and vitamin B-12 concentrations in the United States, 1988–2004
Nutrition survey age sex race ethnic groups National Health and Nutrition Examination Survey
2008/12/17
Background:Monitoring the folate status of US population groups over time has been a public health priority for the past 2 decades, and the focus has been enhanced since the implementation of a folic ...
Folate and vitamin B-12 status in relation to anemia, macrocytosis, and cognitive impairment in older Americans in the age of folic acid fortification
Aging anemia cognition disorders folate fortified food nutrition surveys vitamin B-12 deficiency
2008/12/12
Background:Historic reports on the treatment of pernicious anemia with folic acid suggest that high-level folic acid fortification delays the diagnosis of or exacerbates the effects of vitamin B-12 de...
Folic acid fortification: the good, the bad, and the puzzle of vitamin B-12
Folic acid fortification puzzle vitamin B-12
2008/12/12
We would not be allowed to conduct a clinical trial of a drug without proper monitoring procedures for both expected and unexpected outcomes; however, such a scenario occurred in 1998 when the Food an...
Holo-transcobalamin is an indicator of vitamin B-12 absorption in healthy adults with adequate vitamin B-12 status1,2,3
Transcobalamin holo-transcobalamin holo-TC vitamin B-12 vitamin B-12 absorption
2008/12/11
Background:It has been hypothesized that the response of holo-transcobalamin (holo-TC) to oral vitamin B-12 may be used to assess absorption. To develop a reliable clinical absorption test that uses h...
Vitamin B-12 metabolism in HIV-infected patients in the age of highly active antiretroviral therapy: role of homocysteine in assessing vitamin B-12 status
HIV vitamin B-12 folate
2016/12/29
Before the advent of highly active antiretroviral therapy (HAART), 20% and 10% of HIV-infected patients had low vitamin B-12 and red blood cell folate (RBCF) concentrations, respectively. However, few...
Vitamin B-12 status, particularly holotranscobalamin II and methylmalonic acid concentrations, and hyperhomocysteinemia in vegetarians
Vitamin B-12 homocysteine holotranscobalamin
2017/1/3
The study cohort included 66 lactovegetarians or lactoovovegetarians (LV-LOV group), 29 vegans, and 79 omnivores. Total vitamin B-12, methylmalonic acid, holotranscobalamin II, and total homocysteine ...
Low vitamin B-12 concentrations in patients without anemia: the effect of folic acid fortification of grain
Pernicious anemia vitamin B-12 cobalamin
2017/1/3
In some patients with vitamin B-12 deficiency mistakenly treated with folic acid, anemia resolved but neurologic complications became worse (masking). Fortification of enriched cereal grains with foli...
Screening for vitamin B-12 and folate deficiency in older persons
Screening folate vitamin B-12
2017/1/3
Vitamin B-12 deficiency is usually accompanied by elevated concentrations of serum total homocysteine (tHcy) and methylmalonic acid (MMA). Folate deficiency also results in elevated tHcy. Measurement ...
Potential host-defense role of a human milk vitamin B-12–binding protein, haptocorrin, in the gastrointestinal tract of breastfed infants, as assessed with porcine haptocorrin in vitro
breast milk breastfed infants breastfeeding
2017/1/3
Limited information exists on the biological role of a vitamin B-12–binding protein, haptocorrin, in human milk. The expression of haptocorrin by human mammary epithelial cells and its presence in hum...
Influence of methylenetetrahydrofolate reductase genotype, age, vitamin B-12, and folate status on plasma homocysteine in children
methylenetetrahydrofolate reductase genotype age vitamin B-12
2016/6/8
Background: Several studies have examined the association of
the methylenetetrahydrofolate reductase (MTHFR) genotype
with plasma homocysteine in adults, but few studies have been
performed in chil...
Assessment of vitamin B-12, folate, and vitamin B-6 status and relation to sulfur amino acid metabolism in neonates
Homocysteine cysteine vitamin B-12 folate, vitamin B-6 neonates infants infant nutrition
2016/6/8
Background: Total serum homocysteine (tHcy) has been used as
an indicator of intracellular vitamin B-12, vitamin B-6, and folate
status in adults, but data for neonates and infants are lacking.
Vit...