Non-linear increase of vitamin D content in eggs from chicks treated with increasing exposure times of ultraviolet light

Kühn, Julia; Schutkowski, Alexandra; Hirche, Frank; Baur, Anja C.; Mielenz, N.; Stangl, Gabriele I.

doi:10.1016/j.jsbmb.2014.10.015

Cited by 30 publications

(32 citation statements)

References 28 publications

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“…However, the results for 0, 0.7 and 1 SED showed that the vitamin D 3 and 25-hydroxyvitamin D 3 content in the analysed parts of the pig was linearly associated with the daily exposure time with a Pearson coefficient > 0.96. This indicates that the maximum production of vitamin D has not been reached using 1 SED as the vitamin D production after exposure to UVB has been shown to be non-linear in humans and hens [33,34].…”

Section: Discussionmentioning

confidence: 99%

Vitamin D enhanced pork from pigs exposed to artificial UVB light in indoor facilities

Barnkob

Petersen

Nielsen

et al. 2018

Eur Food Res Technol

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Section: Discussionmentioning

confidence: 99%

Vitamin D enhanced pork from pigs exposed to artificial UVB light in indoor facilities

Barnkob

Petersen

Nielsen

et al. 2018

Eur Food Res Technol

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“…The fish (especially fatty fish and fish liver) have the highest natural content of vitamin D [80] Also egg yolk has a high vitamin D3 content [80], which strongly correlates with the content of vitamin D3 of the hen’s feed [77]. Depending on the hen’s diet [81] and UVB exposure [82], the vitamin D3 and 25(OH)D3 were transferred from the hen to the egg yolk. Regarding of meat products, the content of vitamin D depends on the contents of vitamin D in the fodder, the fat content of the meat product, and latitude where the animals have grazed [83].…”

Section: The Nutritionist’s Point Of Viewmentioning

confidence: 99%

Vitamin D and its role in psoriasis: An overview of the dermatologist and nutritionist

Barrea

Savanelli

Somma

et al. 2017

Rev Endocr Metab Disord

206

188

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Psoriasis is a chronic immune-mediated inflammatory skin disease. Psoriasis lesions are characterized by hyper-proliferation of epidermal keratinocytes associated with inflammatory cellular infiltrate in both dermis and epidermis. The epidermis is the natural source of vitamin D synthesis by sunlight action. Recently, a role for vitamin D in the pathogenesis of different skin diseases, including psoriasis, has been reported. Indeed, significant associations between low vitamin D status and psoriasis have been systematically observed. Due to its role in proliferation and maturation of keratinocytes, vitamin D has become an important local therapeutic option in the treatment of psoriasis. To date, the successful treatment based on adequate dietary intake of vitamin D or oral vitamin D supplementation in psoriasis represent an unmet clinical need and the evidence of its beneficial effects remains still controversial. This information is important either for Dermatologists and Nutritionists to increases the knowledge on the possible bi-directional relationships between low vitamin D status and psoriasis and on the potential usefulness of vitamin D in psoriasis with the aim not only to reduce its clinical severity, but also for delineating the risk profile for co-morbidities cardiac risk factors that may result from psoriasis. In the current review, we analyzed the possible bi-directional links between psoriatic disease and vitamin D.

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“…Egg yolk also has a high vitamin D 3 content (Schmid and Walther, ), which strongly correlates with the content of vitamin D 3 of the hen's feed (Mattila et al., , ). Animal studies showed that vitamin D 3 and 25(OH)D 3 were effectively transferred from the hen to the egg yolk, depending on the hen's diet (Mattila et al., ) and UV‐B exposure (Kuhn et al., ). The content of vitamin D of meat products varies and depends, among other things, on the contents of vitamin D in the fodder, the fat content of the meat product, and latitude where the animals have grazed (Mattila et al., ; Liu et al., ).…”

Section: Dietary Sources and Intake Datamentioning

confidence: 99%

Dietary reference values for vitamin D

2016

EFSA Journal

227

135

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Following a request from the European Commission, the EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) derived dietary reference values (DRVs) for vitamin D. The Panel considers that serum 25(OH)D concentration, which reflects the amount of vitamin D attained from both cutaneous synthesis and dietary sources, can be used as a biomarker of vitamin D status in adult and children populations. The Panel notes that the evidence on the relationship between serum 25(OH)D concentration and musculoskeletal health outcomes in adults, infants and children, and adverse pregnancy-related health outcomes, is widely variable. The Panel considers that Average Requirements and Population Reference Intakes for vitamin D cannot be derived, and therefore defines adequate intakes (AIs), for all population groups. Taking into account the overall evidence and uncertainties, the Panel considers that a serum 25 (OH)D concentration of 50 nmol/L is a suitable target value for all population groups, in view of setting the AIs. For adults, an AI for vitamin D is set at 15 lg/day, based on a meta-regression analysis and considering that, at this intake, the majority of the population will achieve a serum 25(OH)D concentration near or above the target of 50 nmol/L. For children aged 1-17 years, an AI for vitamin D is set at 15 lg/day, based on the meta-regression analysis. For infants aged 7-11 months, an AI for vitamin D is set at 10 lg/day, based on trials in infants. For pregnant and lactating women, the Panel sets the same AI as for non-pregnant non-lactating women, i.e. 15 lg/day. The Panel underlines that the meta-regression was done on data collected under conditions of assumed minimal cutaneous vitamin D synthesis. In the presence of cutaneous vitamin D synthesis, the requirement for dietary vitamin D is lower or may even be zero. In line with EFSA's policy on declarations of interest, Panel member Harry McArdle did not participate in the development and adoption of this scientific opinion.Acknowledgements: The Panel wishes to thank the members of the Working Group on dietary reference values for vitamins: Christel Lamberg-Allardt, Monika Neuh € auser-Berthold, Gra _ zyna Nowicka, Kristina Pentieva, Hildegard Przyrembel, Inge Tetens, Daniel Tom e and Dominique Turck for the preparatory work on this scientific opinion and EFSA staff members: Laura Ciccolallo, C eline Dumas, Lucia Fabiani and Laura Martino for the support provided to this scientific opinion.

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Non-linear increase of vitamin D content in eggs from chicks treated with increasing exposure times of ultraviolet light

Cited by 30 publications

References 28 publications

Vitamin D enhanced pork from pigs exposed to artificial UVB light in indoor facilities

Vitamin D enhanced pork from pigs exposed to artificial UVB light in indoor facilities

Vitamin D and its role in psoriasis: An overview of the dermatologist and nutritionist

Dietary reference values for vitamin D

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