搜索结果: 1-15 共查到“预防医学与卫生学 b-carotene”相关记录24条 . 查询时间(0.124 秒)
HIV and other predictors of serum β-carotene and retinol in pregnancy: a cross-sectional study in Zimbabwe
Vitamin A retinol reproduction
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2016/6/13
Vitamin A status during pregnancy is important to
maternal and infant health.
Bioefficacy of β-carotene dissolved in oil studied in children in Indonesia
Bioavailability conversion retinol
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2016/6/13
More information on the bioefficacy of carotenoids
in foods ingested by humans is needed.
Bioavailability of lutein from vegetables is 5 times higher than that of β-carotene
antioxidants low-density-lipoprotein oxidation humans
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2016/6/1
To gain more insight into the relation between
vegetable consumption and the risk of chronic diseases, it is
important to determine the bioavailability of carotenoids from
vegetables and the effect...
The conflicting evidence of the relation
between b-carotene and lung cancer in humans serves as a
poignant case study with respect to what types of evidence are
sufficient to support or change a nu...
Alcohol, vitamin A, and β-carotene: adverse interactions, including hepatotoxicity and carcinogenicity
Ethanol alcohol retinol
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2016/5/31
Isozymes of alcohol and other dehydrogenases
convert ethanol and retinol to their corresponding aldehydes in vitro.
In addition, new pathways of retinol metabolism have been described
in hepatic mi...
Breast milk immune factors in Bangladeshi women supplemented postpartum with retinol or β-carotene
Vitamin A supplementation b-carotene breast milk
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2016/5/31
Vitamin A supplementation of mothers postpartum
may improve infant health, not only by increasing vitamin A
delivery to the infant through breast milk but also by increasing
delivery of milk immune...
Effect of iron-, iodine-, and β-carotene–fortified biscuits on the micronutrient status of primary school children: a randomized controlled trial
Vitamin A b-carotene iron
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2016/5/30
Deficiencies of iron, iodine, and vitamin A are
prevalent worldwide and can affect the mental development and
learning ability of schoolchildren.
Excentral cleavage of ß-carotene in vivo in a healthy man
ß -carotene ß -apo-carotenal humans vitamin A 14C
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2008/12/12
Background:Excentral cleavage of ß-carotene to retinoids and apocarotenoids occurs in vitro and in animal models. Whether it occurs in humans is unclear.Objective:We tested the hypothesis of whe...
Carotene-rich plant foods ingested with minimal dietary fat enhance the total-body vitamin A pool size in Filipino schoolchildren as assessed by stable-isotope-dilution methodology
Vitamin A deuterated-retinol dilution stable-isotope dilution retinol plant carotenoids ß -carotene bioavailability
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2008/12/12
Background:Strategies for improving the vitamin A status of vulnerable populations are needed.Objective:We studied the influence of the amounts of dietary fat on the effectiveness of carotene-rich pla...
Plasma retinol, carotene and vitamin E concentrations and lung function in a crocidolite-exposed cohort from Wittenoom, Western Australia: a cohort study
vitamin E carotene Plasma retinol
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2008/4/23
Increased rates of death from asbestos related diseases have been reported for people previously employed in the mining and milling operations at Wittenoom (Western Australia), and people who lived in...
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.
Isotopic tracer techniques for studying the bioavailability and bioefficacy of dietary carotenoids, particularly β-carotene, in humans: a review
Stable isotopes carbon isotopes radioisotopes
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2016/12/27
Vitamin A deficiency is a serious health problem in many developing countries. Provitamin A carotenoids in fruit and vegetables are the major source of vitamin A for a large proportion of the world’s ...
Lycopene, β-carotene, and colorectal adenomas
hyperplastic polyp lycopene colorectal adenoma
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2017/1/5
Epidemiologic studies found that high tomato intakes reduce the risk of colorectal cancers. This beneficial effect is assumed to be caused by high intakes of lycopene, a carotenoid with strong antioxi...
Short-term (intestinal) and long-term (postintestinal) conversion of β-carotene to retinol in adults as assessed by a stable-isotope reference method
retinol equivalence stable isotope mass spectrometry
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2017/1/3
The quantitative determination of the conversion of β-carotene to vitamin A in humans can be accomplished by using a stable-isotope reference method. This approach provides in vivo metabolic informati...
Carotenoid composition of human milk during the first month postpartum and the response to β-carotene supplementation
β-carotene carotenoids lutein retinol α-tocopherol lactation breast-feeding women breast milk human milk
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2016/12/19
Background: Information is lacking regarding normal changes in milk carotenoid concentrations in healthy, well-nourished women during the first month of lactation.Objectives: This study investigated m...