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(0.093 秒)
Hyperhomocysteinemia and vitamin B-12 deficiency in elderly using Title IIIc nutrition services
Vitamin B-12 folate pepsinogen I
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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.
Prevention of vitamin B-12 deficiency in old age
vitamin B-12 deficiency old age
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2016/6/12
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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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...