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Research links sun, shade and Vitamin D
sun shade Vitamin D UV rays
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2006/12/18
11 Dec 2006，A USQ Academic has received a Queensland Cancer Fund (QCF) research grant to continue his studies into the effect of UV rays and shade on the creation of Vitamin D in humans.
In Vitro Effect of Folic Acid and Cobalamin (Vitamin B12) on Adhesion and Growth of Giardia lamblia
Giardia lamblia Cobalamin (Vitamin B12) Folic Acid
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2010/2/3
Giardia lamblia is one of the most common intestinal protozoan parasites infecting human in the world. The goal of this study was searching for in-vitro effect of folic acid and cobalamin on adhesion ...
25-Hydroxylation of vitamin D3: relation to circulating vitamin D3 under various input conditions
Vitamin D vitamin D3
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2016/12/30
Neither the efficiency of the 25-hydroxylation of vitamin D nor the steady state relation between vitamin D3 and 25-hydroxyvitamin D [25(OH)D] has been studied in humans.
Vitamin A equivalence of spirulina β-carotene in Chinese adults as assessed by using a stable-isotope reference method
Vitamin A β-carotene
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2016/12/30
In a group of well-nourished, normal-weight Chinese men following low-vitamin A diets, 4.5 mg spirulina β-carotene consumed with 22 g fat has the same vitamin A activity as does 1 mg retinyl acetate.
Infants discriminate between natural and synthetic vitamin E
Infants biological activity RRR--tocopherol
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2016/12/30
Although the LOWNAT-E formula contained only one-half the concentration of α-tocopherol that the SYN-E formula did (7.3 compared with 13.5 mg/L), the infants fed the LOWNAT-E formula had plasma α-toco...
Summary measure of dietary musculoskeletal nutrient (calcium, vitamin D, magnesium, and phosphorus) intakes is associated with lower-extremity physical performance in homebound elderly men and women
body mass index home-delivered meals homebound elderly
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2016/12/30
Our objectives were to examine the association of a summary measure of calcium, vitamin D, magnesium, and phosphorus intakes with 1) the inability to perform lower-extremity physical performance tests...
Demographic, health, lifestyle, and blood vitamin determinants of serum total homocysteine concentrations in the third National Health and Nutrition Examination Survey, 1988–1994
creatinine smoking alcohol consumption
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2016/12/30
Data from the third National Health and Nutrition Examination Survey, 1988–1994 were used to examine associations in men (n = 2965) and women (n = 3580) between tHcy and age, sex, race-ethnicity, body...
Can vitamin supplements prevent cognitive decline and dementia in old age?
dementia old age
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2016/12/30
Cognitive impairment and dementia are common occurrences in old age. Their effects on families and patients are irreversible, debilitating, and costly. Interventions that can prevent and effectively t...
Quantitative assessment of total body stores of vitamin A in adults with the use of a 3-d deuterated-retinol-dilution procedure
Deuterated retinol dilution DRD 3-d DRD
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2016/12/29
The conventional deuterated-retinol-dilution (DRD) technique provides a quantitative estimate of total body stores of vitamin A in humans. The procedure requires equilibration of serum deuterated reti...
Redistribution of vitamin A after iron supplementation in Indonesian infants
Retinol iron zinc
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2016/12/29
Deficiencies of iron and vitamin A are prevalent worldwide. Single-micronutrient supplementation is widely used to combat these deficiencies. However, micronutrient deficiencies often occur concurrent...
Vitamin K intake and bone mineral density in women and men
Vitamin K intake bone mineral density hip
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2016/12/29
Low dietary vitamin K intake has been associated with an increased risk of hip fracture in men and women. Few data exist on the association between dietary vitamin K intake and bone mineral density (B...
Calcium, vitamin D, milk consumption, and hip fractures: a prospective study among postmenopausal women
Calcium vitamin D milk
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2016/12/29
Short trials of calcium supplementation show that it reduces loss of bone density in postmenopausal women; longer observational studies do not generally find a lower risk of hip fracture with higher-c...
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 C augments lymphocyte glutathione in subjects with ascorbate deficiency
ascorbate deficiency Vitamin C
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2016/12/28
The effect of vitamin C supplements was determined in a sequential study with time points before supplementation, after 13 wk of vitamin C supplements (500 or 1000 mg/d), and after 13 wk of matching p...
Influence of environmental tobacco smoke on vitamin C status in children
ascorbic acid vitamin C cigarette smoking
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2016/12/27
It is known that vitamin C status is compromised in smokers. The vitamin C status of nonsmokers who are exposed to environmental tobacco smoke (ETS) is now being elucidated.