1
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Chatzidimitriou E, Davis H, Baranski M, Jakobsen J, Seal C, Leifert C, Butler G. Variation in nutritional quality in UK retail eggs. Food Chem 2024; 454:139783. [PMID: 38795627 DOI: 10.1016/j.foodchem.2024.139783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 04/15/2024] [Accepted: 05/20/2024] [Indexed: 05/28/2024]
Abstract
Fatty acid (FA), carotenoid and vitamin contents of UK eggs were assessed for four production systems (caged (CA), free-range (FR), organic (OR) and extensive organic (EO)) as well as season. The impact of enforced housing, due to avian influenza, was also investigated. Production system did not alter vitamin D3, B2 or B9 content, but significantly influenced nutritionally desirable FA, carotenoid and vitamins A and E - concentrations decreased as production intensity increased, although for most, CA and FR did not differ significantly. Vitamin E and FA profiles for OR and EO were also similar, although carotenoids were higher in EO eggs. In contrast, FA, carotenoids, vitamins E and B9 were consistent throughout the year, unlike vitamins A, D3 and B2, which fluctuated with season; D and B2 were higher in July than January and lower vitamin A was the only detected implication from enforced housing of FR and OR birds.
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Affiliation(s)
- Eleni Chatzidimitriou
- School of Natural and Environmental Science, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; Foodscale Hub, Leontos Sofou 20, 57001 Thermi, Thessaloniki, Greece
| | - Hannah Davis
- School of Natural and Environmental Science, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Marcin Baranski
- Laboratory of Neurobiology, Nencki Institute, BRAINCITY, Warsaw, Poland
| | - Jette Jakobsen
- National Food Institute, Technical University of Denmark, Kemitorvet, 201, 129, 2800 Kgs. Lyngby, Denmark
| | - Chris Seal
- Human Nutrition and Exercise Research Centre, Public Health Sciences Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | - Carlo Leifert
- SCU Plant Science, Southern Cross University, Military Rd., Lismore, NSW 2480, Australia; Department of Nutrition, IMB, University of Oslo, 0372 Oslo, Norway
| | - Gillian Butler
- School of Natural and Environmental Science, Newcastle University, Newcastle upon Tyne NE1 7RU, UK.
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Pasidi E, Vareltzis P. Vitamin D 3 Bioaccessibility from Supplements and Foods-Gastric pH Effect Using a Static In Vitro Gastrointestinal Model. Molecules 2024; 29:1153. [PMID: 38474665 DOI: 10.3390/molecules29051153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
Vitamin D3 deficiency is a global phenomenon, which can be managed with supplementation and food fortification. However, vitamin D3 bioaccessibility may depend on factors such as matrix composition and interactions throughout the gastrointestinal (GI) tract. This research focused on the effect of different matrices on vitamin D3 content during digestion, as well as the effect of pH on its bioaccessibility. The INFOGEST protocol was employed to simulate digestion. Three different types of commercial supplements, two foods naturally rich in vitamin D3, and three fortified foods were investigated. High-Performance Liquid Chromatography was used to determine the initial vitamin D3 content in the supplements and foods, as well as after each digestion stage. The results indicate that the foods exhibited higher bioaccessibility indices compared to the supplements and a higher percentage retention at the end of the gastric phase. The pH study revealed a positive correlation between an increased gastric pH and the corresponding content of vitamin D3. Interestingly, exposing the matrix to a low pH during the gastric phase resulted in an increased intestinal content of D3. Vitamin D3 is more bioaccessible from foods than supplements, and its bioaccessibility is susceptible to changes in gastric pH. Fasting conditions (i.e., gastric pH = 1) enhance the vitamin's bioaccessibility.
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Affiliation(s)
- Evangelia Pasidi
- Department of Chemical Engineering, Faculty of Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Patroklos Vareltzis
- Department of Chemical Engineering, Faculty of Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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3
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Clark A, Kuznesof S, Waller A, Davies S, Wilson S, Ritchie A, Duesterloh A, Harbord L, Hill TR. The Influence of Storage and Cooking on the Vitamin D Content of 25-Hydroxyvitamin D 3-Enriched Eggs. Foods 2023; 12:2522. [PMID: 37444260 DOI: 10.3390/foods12132522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
Food fortification is an effective approach to improve vitamin D (VD) concentrations in foods. Eggs are a useful food vehicle for enrichment with VD via its hydroxylated metabolite, 25-hydroxyvitamin D (25-D3), in hen feed. This study determined the impact of time of lay, storage conditions (ambient and refrigeration) and common cooking methods (boiling, frying, scrambling, poaching and microwaving) on the vitamin D metabolite concentration of eggs enriched with 25-D3. Processed samples were freeze-dried and analysed for D3 and 25-D3 using an HPLC-MS(/MS) method. The results indicated that storage and cooking practices influence VD metabolites, with 25-D3 showing true retention of 72-111% and concentrations of 0.67-0.96 µg/100 g of whole egg. Vitamin D3 showed true retention of 50-152% and concentrations of 0.11-0.61 µg/100 g of whole egg. Depending on the storage and method of cooking applied, the calculated total VD activity of enriched eggs ranged from 3.45 to 5.43 µg/100 g of whole egg and was 22-132% higher in comparison to standardised VD content for non-enriched British eggs. The study suggests that 25-D3 is a stable metabolite in eggs following storage and cooking, and that 25-D3-enriched eggs may serve as a potent dietary source of VD.
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Affiliation(s)
- Adam Clark
- Human Nutrition and Exercise Research Centre, Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | - Sharron Kuznesof
- Applied Social Sciences, School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Anthony Waller
- DSM Nutritional Products Ltd., Heanor, Derbyshire DE75 7SG, UK
| | - Sarah Davies
- DSM Nutritional Products Ltd., Heanor, Derbyshire DE75 7SG, UK
| | - Simon Wilson
- Noble Foods Ltd., North Scarle, Lincolnshire LN6 9HA, UK
| | - Avril Ritchie
- Noble Foods Ltd., North Scarle, Lincolnshire LN6 9HA, UK
| | | | - Lance Harbord
- RLC & RM Harbord & Son, Bryants Court Farm, Ross-on-Wye, Herefordshire HR9 6JA, UK
| | - Thomas Robert Hill
- Human Nutrition and Exercise Research Centre, Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
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Karras SN, Koufakis T, Adamidou L, Dimakopoulos G, Karalazou P, Thisiadou K, Zebekakis P, Makedou K, Kotsa K. Different patterns of changes in free 25-hydroxyvitamin D concentrations during intermittent fasting among meat eaters and non-meat eaters and correlations with amino acid intake. Int J Food Sci Nutr 2023; 74:257-267. [PMID: 36691813 DOI: 10.1080/09637486.2023.2171370] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
We prospectively assessed changes in free 25-hydroxyvitamin D [25(OH)D] and vitamin D binding protein (VDBP) among overweight adults who followed a pescatarian Orthodox intermittent fasting regimen (n = 59) and controls who followed a low-fat 12:12 diet (n = 46). Total and free 25(OH)D, parathyroid hormone, VDBP, anthropometric data, and amino acid intake were evaluated in both groups at three time points: at baseline, 7 weeks after diet implementation, and 5 weeks after participants returned to their usual eating habits (12 weeks from baseline). An increase in amino acid intake between baseline and 12 weeks was independently correlated with higher free 25(OH)D values at 12 weeks for both groups. Our findings suggest that diet can affect free 25(OH)D concentrations, through variations in amino acid intake, independently of exposure to sunlight, providing novel mechanistic insights into the future planning of vitamin D supplementation strategies. However, this hypothesis needs to be tested in larger studies.
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Affiliation(s)
- Spyridon N Karras
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
| | - Theocharis Koufakis
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
| | - Lilian Adamidou
- Department of Dietetics and Nutrition, AHEPA University Hospital, Thessaloniki, Greece
| | - Georgios Dimakopoulos
- BIOSTATS, Epirus Science and Technology Park Campus, University of Ioannina, Ioannina, Greece
| | - Paraskevi Karalazou
- Laboratory of Biochemistry, AHEPA General Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Katerina Thisiadou
- Laboratory of Biochemistry, AHEPA General Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Pantelis Zebekakis
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
| | - Kali Makedou
- Laboratory of Biochemistry, AHEPA General Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Kalliopi Kotsa
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
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Clark KM, James AP, Ip HI, Dunlop E, Cunningham J, Adorno P, Dabos G, Black LJ. Comparison of measured and declared vitamin D concentrations in Australian fortified foods. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.104922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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6
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Vitamin D composition of Australian game products. Food Chem 2022; 387:132965. [DOI: 10.1016/j.foodchem.2022.132965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/29/2022] [Accepted: 04/10/2022] [Indexed: 11/20/2022]
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Relationship between sunlight and range use of commercial free-range hens in Australia. PLoS One 2022; 17:e0268854. [PMID: 35639687 PMCID: PMC9154180 DOI: 10.1371/journal.pone.0268854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 05/10/2022] [Indexed: 12/03/2022] Open
Abstract
In Australia, summer brings intense, bright sunlight with high ultraviolet (UV) radiation and hot temperatures, which might impact free-range hens’ ranging outside. To determine how range use was correlated with different sunlight variables and weather factors, a study was carried out on three commercial free-range layer farms during the summer/autumn period (December-May) across diverse regions of Australia in Tasmania (TAS), Queensland (QLD), and Western Australia (WA). Hens’ range distribution was determined by counting the number of hens in the direct sunlight (‘sun’) or ‘cloud’ and shaded areas (‘sun-shade’ or ‘cloud-shade’, in sunny or cloudy conditions, respectively) using image snapshots taken at 30 min intervals from video recordings of a portion of one shed comprising 20,000–30,000 hens on each farm during the production phase of the laying cycle. The solar radiation spectrum [UV radiation (UVAB) (288–432 nm), photosynthetically active radiation (PAR; visible light) (400–700 nm), and total solar radiation (TSR) (285 nm-3000 nm)] and weather data (ambient temperature and relative humidity) were recorded through an on-site weather station. Data were analysed separately due to discrepancies between the farms’ layouts. The effects of time of day and months on range use were analysed using General Linear Models in JMP® 16.0 and the relationship of sunlight and weather variables with hens’ distribution in ‘sun’/’sun-shade’ and ‘cloud’/’cloud-shade’ in sunny and cloudy conditions respectively was determined by fitting linear ridge regression models using the ‘lmridge’ package in R. Overall, the time of day and month had significant effects on hens’ distribution on the range (all p < 0.0001). Hens’ range occupancy in the ‘sun’ decreased during the midday period with gradual increases in the late afternoon to evening, and the opposite pattern in the ‘sun-shade’. A linear increase in the number of hens on the range over the months indicated the seasonal effects on hen ranging patterns. Temperature, UVAB and PAR were the most important factors for discouraging hens’ range use in the ‘sun’ suggesting free-range systems in Australia should be designed to account for the extreme sunlight using adequate shade for optimum ranging across summer.
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Daly RM, De Ross B, Gianoudis J, Tan SY. Dose-Response Effect of Consuming Commercially Available Eggs on Wintertime Serum 25-Hydroxyvitamin D Concentrations in Young Australian Adults: a 12-Week Randomized Controlled Trial. J Nutr 2022; 152:1702-1710. [PMID: 35218193 PMCID: PMC9258551 DOI: 10.1093/jn/nxac044] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/21/2022] [Accepted: 02/21/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Vitamin D deficiency is a common health concern during winter. Eggs are one of the few rich dietary sources of vitamin D, containing cholecalciferol (vitamin D-3) and 25-hydroxyvitamin D-3 [25(OH)D3], with the latter reported to be 5 times more potent at increasing serum 25(OH)D concentrations, the major circulating form of vitamin D. However, whether there is an optimal dose of eggs to increase or maintain 25(OH)D concentrations during wintertime is not known. OBJECTIVES To evaluate the dose-response effect of consuming 2, 7, or 12 commercially available eggs per week on serum 25(OH)D concentrations during the autumn-winter months in young adults. Secondary aims were to investigate changes in serum lipids, and the feasibility (adherence) and acceptability to consuming the eggs. METHODS In a 12-wk randomized controlled trial, 51 adults aged 25-40 y were randomly assigned to consume 2 eggs/wk (control, n = 17), 7 eggs/wk (n = 17), or 12 eggs/wk (n = 17). Change in serum 25(OH)D was the primary outcome as assessed by LC/MS/MS. Serum lipids were assessed using standard techniques, and acceptability to consuming the eggs was assessed via a questionnaire. RESULTS Forty-two (82%) participants completed the study. Mean adherence to the eggs was 83% for controls, 86% for 7 eggs/wk, and 83% for 12 eggs/wk. Mean serum 25(OH)D concentrations did not change significantly in either the 7-eggs/wk (-8.3 nmol/L; 95% CI: -17.0, 0.4 nmol/L) or 12-eggs/wk (-7.2 nmol/L; 95% CI: -18.6, 4.3 nmol/L) groups, but decreased by 28.6 nmol/L (95% CI: -38.1, -18.9 nmol/L) in controls, which led to a significant (P = 0.003) between-group difference for the change after 12 wk. Serum lipids did not differ between the groups, and acceptability profiles to consuming the eggs were positive and similar for all 3 groups. CONCLUSIONS Consuming 7 commercially available eggs per week for 12 wk was effective for attenuating the wintertime decline in circulating vitamin D concentrations in young Australian adults, with 12 eggs/wk not providing any additional benefits.
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Affiliation(s)
| | - Belinda De Ross
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Burwood, Melbourne, Victoria, Australia
| | - Jenny Gianoudis
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Burwood, Melbourne, Victoria, Australia
| | - Sze-Yen Tan
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Burwood, Melbourne, Victoria, Australia
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Relationship between Serum 25OH-Vitamin D2 Level and Vitamin D Status of Children Aged 3-5 Years in China. Nutrients 2021; 13:nu13114135. [PMID: 34836390 PMCID: PMC8619457 DOI: 10.3390/nu13114135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Vitamin D deficiency is prevalent globally and there is lack of evidence as to how 25(OH)D2 contributes to vitamin D status. The aim of this study was to describe vitamin D status and to assess the role of vitamin D2, a dietary vitamin D source, against the vitamin D status of children aged 3–5 years in China. Methods: Data were extracted from the Chinese National Nutrition and Health Surveillance (CNNHS) in 2013. The concentration of serum 25(OH)D2 and 25(OH)D3 was measured by using LC-MS/MS. Results: A total of 1435 subjects were enrolled and serum 25(OH)D were analyzed. The prevalence of total serum 25(OH)D < 30 nmol/L was 8.9%. Serum 25(OH)D2 was detected in 10.9% of the studied children. After adjusting for confounding factors, total 25(OH)D concentration was 8.48 nmol/L lower and odds ratio of vitamin D deficiency was 4.20 times (OR (95%CI): 4.20 (1.64, 10.77)) in children without 25(OH)D2 than those with 25(OH)D2 detected. Conclusions: Vitamin D deficiency was common among children aged 3–5 years in China. Vitamin D2 may play a role in preventing vitamin D deficiency in Chinese children aged 3–5 years.
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Prevalence and predictors of vitamin D deficiency in a nationally representative sample of Australian Aboriginal and Torres Strait Islander adults. Br J Nutr 2021; 126:101-109. [PMID: 33028435 DOI: 10.1017/s0007114520003931] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D) concentration <50 nmol/l) is recognised as a public health problem globally. The present study details the prevalence and predictors of vitamin D deficiency in a nationally representative sample (n 3250) of Australian Aboriginal and Torres Strait Islander adults aged ≥18 years. We used data from the 2012-2013 Australian Aboriginal and Torres Strait Islander Health Survey (AATSIHS). Serum 25(OH)D concentrations were measured by liquid chromatography-tandem MS. Survey-weighted logistic regression models were used to determine the independent predictors of vitamin D deficiency. Approximately 27 % of adult AATSIHS participants were vitamin D deficient. Vitamin D deficiency was more prevalent in remote areas (39 %) than in non-remote areas (23 %). Independent predictors of vitamin D deficiency included assessment during winter (men, adjusted OR (aOR) 5·7; 95 % CI 2·2, 14·6; women, aOR 2·2; 95 % CI 1·3, 3·8) and spring (men, aOR 3·3; 95 % CI 1·4, 7·5; women, aOR 2·6; 95 % CI 1·5, 4·5) compared with summer, and obesity (men, aOR 2·6; 95 % CI 1·2, 5·4; women, aOR 4·3; 95 % CI 2·8, 6·8) compared with healthy weight. Statistically significant associations were evident for current smokers (men only, aOR 2·0; 95 % CI 1·2, 3·4), remote-dwelling women (aOR 2·0; 95 % CI 1·4, 2·9) and university-educated women (aOR 2·4; 95 % CI 1·2, 4·8). Given the high prevalence of vitamin D deficiency in this population, strategies to maintain adequate vitamin D status through safe sun exposure and dietary approaches are needed.
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Dunlop E, James AP, Cunningham J, Strobel N, Lucas RM, Kiely M, Nowson CA, Rangan A, Adorno P, Atyeo P, Black LJ. Vitamin D composition of Australian foods. Food Chem 2021; 358:129836. [PMID: 33933982 DOI: 10.1016/j.foodchem.2021.129836] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 04/08/2021] [Accepted: 04/11/2021] [Indexed: 10/21/2022]
Abstract
Australia needs accurate vitamin D food composition data to support public health initiatives. Previously, limitations in analytical methodology have precluded development of a comprehensive database. We used liquid chromatography with triple quadrupole mass spectrometry (LC-QQQ) to analyse 149 composite samples representing 98 foods (primary samples n = 896) in duplicate for vitamin D3, 25-hydroxyvitamin D3 (25(OH)D3), vitamin D2, 25(OH)D2. The greatest concentrations of vitamin D3 were found in canned salmon and a malted chocolate drink powder (fortified); chicken eggs and chicken leg meat contained the most 25(OH)D3. Margarine (fortified) and chocolate contained the greatest concentrations of vitamin D2, with smaller amounts found in various meat products. 25(OH)D2 was detected in various foods, including meats, and was quantitated in lamb liver. These data advance knowledge of dietary vitamin D in Australia and highlight the importance of analysis of these four forms of vitamin D to accurately represent the vitamin D content of food.
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Affiliation(s)
- Eleanor Dunlop
- Curtin School of Population Health, Curtin University, Kent Street, Bentley, WA 6102, Australia.
| | - Anthony P James
- Curtin School of Population Health, Curtin University, Kent Street, Bentley, WA 6102, Australia.
| | - Judy Cunningham
- Curtin School of Population Health, Curtin University, Kent Street, Bentley, WA 6102, Australia.
| | - Norbert Strobel
- National Measurement Institute, 1/153 Bertie Street, Port Melbourne, VIC 3207, Australia.
| | - Robyn M Lucas
- National Centre for Epidemiology and Population Health, Research School of Population Health, Australian National University, Acton, ACT 2600, Australia; Centre for Ophthalmology and Visual Science, University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia.
| | - Mairead Kiely
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences, University College Cork, Cork, Ireland.
| | - Caryl A Nowson
- Institute for Physical Activity and Nutrition Research, Deakin University, 221 Burwood Highway, Burwood, VIC 3125, Australia.
| | - Anna Rangan
- School of Life and Environmental Sciences, The University of Sydney, Camperdown, NSW 2006, Australia.
| | - Paul Adorno
- National Measurement Institute, 1/153 Bertie Street, Port Melbourne, VIC 3207, Australia.
| | - Paul Atyeo
- Australian Bureau of Statistics, 45 Benjamin Way, Belconnen, ACT 2617, Australia.
| | - Lucinda J Black
- Curtin School of Population Health, Curtin University, Kent Street, Bentley, WA 6102, Australia.
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Barnkob LL, Argyraki A, Jakobsen J. Naturally enhanced eggs as a source of vitamin D: A review. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.05.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Karras SN, Koufakis T, Antonopoulou V, Goulis DG, Alaylıoğlu M, Dursun E, Gezen-Ak D, Annweiler C, Pilz S, Fakhoury H, Al Anouti F, Harizopoulou V, Naughton DP, Zebekakis P, Kotsa K. Vitamin D receptor Fokl polymorphism is a determinant of both maternal and neonatal vitamin D concentrations at birth. J Steroid Biochem Mol Biol 2020; 199:105568. [PMID: 31870913 DOI: 10.1016/j.jsbmb.2019.105568] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 12/07/2019] [Accepted: 12/12/2019] [Indexed: 12/23/2022]
Abstract
Maternal vitamin D deficiency is considered to be the key determinant of the development of neonatal vitamin D deficiency at birth and during early infancy. Specific vitamin D receptor (VDR) gene polymorphisms have been associated with adverse pregnancy and offspring outcomes. The aim of this study was to evaluate the effect of maternal and neonatal VDR polymorphisms (ApaI, TaqI, BsmI, FokI, Tru9I) on maternal and neonatal vitamin D status. VDR polymorphisms were genotyped in 70 mother-neonate pairs of Greek origin, and classified according to international thresholds for Vitamin D status. Mean neonatal and maternal 25-hydroxy-vitamin D [25(OH)D] concentrations were 35 ± 20 and 47 ± 26 nmol/l, respectively. Neonatal VDR polymorphisms were not associated with neonatal 25(OH)D concentrations. In contrast, mothers with the Fokl FF polymorphism had a 70 % lower risk of vitamin D deficiency [25(OH)D <30 nmol/l] compared with ff ones, after adjustment for several confounders. They were also in 73 % and 88 % lower risk of giving birth to vitamin D deficient [25(OH)D <30 nmol/l] neonates compared with Ff and ff mothers, respectively. These results suggest a protective role of maternal Fokl FF genotype against both maternal and neonatal vitamin D deficiency. Further studies are needed to clarify the complex gene-gene and gene-environment interactions that determine vitamin D status at birth.
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Affiliation(s)
- Spyridon N Karras
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece.
| | - Theocharis Koufakis
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
| | - Vasiliki Antonopoulou
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
| | - Dimitrios G Goulis
- Unit of Reproductive Endocrinology, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Merve Alaylıoğlu
- Brain and Neurodegenerative Disorders Research Laboratory, Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Erdinc Dursun
- Brain and Neurodegenerative Disorders Research Laboratory, Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey; Department of Neuroscience, Institute of Neurological Sciences, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Duygu Gezen-Ak
- Brain and Neurodegenerative Disorders Research Laboratory, Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Cedric Annweiler
- Department of Neuroscience, Division of Geriatric Medicine, Angers University Hospital, Angers, France, University Memory Clinic, UPRES EA 4638, University of Angers, UNAM, Angers, France; Robarts Research Institute, Department of Medical Biophysics, Schulich School of Medicine and Dentistry, the University of Western Ontario, London, Ontario, Canada
| | - Stefan Pilz
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University Graz, Graz, Austria
| | - Hana Fakhoury
- Department of Biochemistry and Molecular Biology, College of Medicine, AlFaisal University, Riyadh, Saudi Arabia
| | - Fatme Al Anouti
- Zayed University, College of Natural and Health Sciences, Abu Dhabi, United Arab Emirates
| | - Vikentia Harizopoulou
- Unit of Reproductive Endocrinology, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - Pantelis Zebekakis
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
| | - Kalliopi Kotsa
- Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
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McCourt A, McNulty BA, Walton J, O'Sullivan A. Efficacy and safety of food fortification to improve vitamin D intakes of older adults. Nutrition 2020; 75-76:110767. [PMID: 32248053 DOI: 10.1016/j.nut.2020.110767] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVES The aim of this study was to determine the best foods for potential vitamin D food fortification and to model the efficacy and safety of different food fortification scenarios in adults ≥50 y of age in Ireland. METHODS National Adult Nutrition Survey vitamin D data for participants ≥50 y of age were updated. Vitamin D from foods with natural and added vitamin D was estimated and daily vitamin D intake patterns were examined. Data modeling was used to estimate the effects of target food fortification scenarios. RESULTS Almost two-thirds of the mean daily vitamin D intake of adults ≥50 y of age (7 ± 7 µg) comes from foods with added vitamin D. Milk and bread are the most frequently consumed foods across all meals and were subsequently targeted for the data modeling exercise. Results from the data modeling show that vitamin D intake increased between 9 and 17 µg/d, depending on the fortification scenario. Fortifying milk or bread resulted in ∼30% or ∼55% of individuals meeting the Recommended Daily Allowance (RDA); however, fortifying both simultaneously resulted in ∼70% meeting the RDA. CONCLUSIONS Currently, the majority of Irish adults ≥50 y of age are not meeting dietary recommendations for vitamin D. Fortification of commonly consumed foods such as milk and bread could improve daily intakes such that ∼70% of the cohort would meet the minimum recommendation. Future research should examine the efficacy of different food fortification scenarios to improve vitamin D intakes for older adults.
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Affiliation(s)
- Aislinn McCourt
- UCD Institute of Food and Health, University College Dublin, Belfield, Dublin, Ireland
| | - Breige A McNulty
- UCD Institute of Food and Health, University College Dublin, Belfield, Dublin, Ireland
| | - Janette Walton
- School of Biological Sciences, Cork Institute of Technology, Cork, Ireland
| | - Aifric O'Sullivan
- UCD Institute of Food and Health, University College Dublin, Belfield, Dublin, Ireland.
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15
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Novel Insights on Intake of Fish and Prevention of Sarcopenia: All Reasons for an Adequate Consumption. Nutrients 2020; 12:nu12020307. [PMID: 31991560 PMCID: PMC7071242 DOI: 10.3390/nu12020307] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 01/17/2020] [Accepted: 01/20/2020] [Indexed: 12/17/2022] Open
Abstract
Sarcopenia is defined as a syndrome characterized by progressive and generalized loss of skeletal muscle mass and strength and it is diagnosed by measurements of muscle mass, muscle strength, and physical performance. Sarcopenia affects quality of life and is associated with several adverse health effects. Muscle decline is aggravated by a sedentary lifestyle and can be prevented through proper nutrition, together with adequate physical activity. Fish contains biologically active compounds, such as omega-3 polyunsaturated fatty acids, proteins, vitamin D, magnesium, and carnitine, which are able to intervene positively on muscle metabolism. This narrative literature review was performed to evaluate evidence regarding the actual benefit of fish consumption in the prevention of sarcopenia and the positive action on the muscle mass of the biological compounds present in fish. The results demonstrated that fish consumption has a protective and anti-inflammatory function on skeletal muscle and that its biologically active compounds help to maintain good muscle performance, preventing sarcopenia. Considering the nutritional and health benefits, elderly with sarcopenia should consume at least three servings per week of fish in order to have a minimum intake of 4-4.59 g daily of omega 3, and reaching the 50% RDA in Vitamin E and D. High biological value of proteins in 150 g of fish and its high available magnesium (20% of RDA in 150 g of fish) are an added value that could suggest fish as a "functional food" in order to prevent and treat sarcopenia.
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16
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A Critical Appraisal of Strategies to Optimize Vitamin D Status in Germany, a Population with a Western Diet. Nutrients 2019; 11:nu11112682. [PMID: 31698703 PMCID: PMC6893762 DOI: 10.3390/nu11112682] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 10/26/2019] [Accepted: 10/30/2019] [Indexed: 12/12/2022] Open
Abstract
During the last decade, our scientific knowledge of the pleiotropic biological effects of vitamin D metabolites and their relevance to human health has expanded widely. Beyond the well-known key role of vitamin D in calcium homeostasis and bone health, it has been shown that vitamin D deficiency is associated with a broad variety of independent diseases, including several types of cancer, and with increased overall mortality. Moreover, recent findings have demonstrated biological effects of the vitamin D endocrine system that are not mediated via activation of the classical nuclear vitamin D receptor (VDR) by binding with high affinity to its corresponding ligand, the biologically active vitamin D metabolite 1,25-dihydroxyvitamin D (1,25(OH)2D). In contrast, many of these new biological effects of vitamin D compounds, including regulation of the circadian clock and many metabolic functions, are mediated by other vitamin D metabolites, including 20-hydroxyvitamin D and 20,23-dihydroxyvitamin D, and involve their binding to the aryl hydrocarbon receptor (AhR) and retinoid-orphan receptor (ROR). In most populations, including the German population, UVB-induced cutaneous vitamin D production is the main source for fulfilling the human body’s requirements of vitamin D. However, this causes a dilemma because solar or artificial UVR exposure is associated with skin cancer risk. In addition to UVB-induced vitamin D production in skin, in humans, there are two other possible sources of vitamin D: from diet and supplements. However, only a few natural foods contain substantial amounts of vitamin D, and in most populations, the dietary source of vitamin D cannot fulfill the body´s requirements. Because an increasing body of evidence has convincingly demonstrated that vitamin D deficiency is very common worldwide, it is the aim of this paper to (i) give an update of the vitamin D status in a population with a western diet, namely, the German population, and to (ii) develop strategies to optimize the vitamin D supply that consider both the advantages as well as the disadvantages/risks of different approaches, including increasing vitamin D status by dietary intake, by supplements, or by UVB-induced cutaneous synthesis of vitamin D.
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17
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A Review of the Potential Benefits of Increasing Vitamin D Status in Mongolian Adults through Food Fortification and Vitamin D Supplementation. Nutrients 2019; 11:nu11102452. [PMID: 31615079 PMCID: PMC6835745 DOI: 10.3390/nu11102452] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/02/2019] [Accepted: 10/07/2019] [Indexed: 02/06/2023] Open
Abstract
Serum 25-hydroxyvitamin D (25(OH)D) concentrations are low in Mongolia, averaging 22 ng/mL in summer and only 8 ng/mL in winter. Mongolians have high incidence and/or prevalence of several diseases linked to low 25(OH)D concentrations, including ischemic heart disease, malignant neoplasms, cirrhosis of the liver, ischemic stroke, lower respiratory tract infections, preterm birth complications, and diabetes mellitus. Fortifying regularly consumed foods such as flour, milk, and edible oils with vitamin D3 could raise 25(OH)D concentrations by about 10 ng/mL. However, to achieve 25(OH)D concentrations of 30–40 ng/mL in adults, vitamin D intakes of 1000 to 4000 IU/day would be required, making personal supplement use necessary. On the basis of prospective observational studies and clinical trials of disease incidence or known mortality rates and adverse pregnancy and birth outcomes, raising mean serum 25(OH)D concentrations to 40 ng/mL would likely reduce incidence and mortality rates for those and other diseases, reduce the rate of adverse pregnancy and birth outcomes, and increase mean life expectancy by one year or more.
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18
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Grant WB, Fakhoury HMA, Karras SN, Al Anouti F, Bhattoa HP. Variations in 25-Hydroxyvitamin D in Countries from the Middle East and Europe: The Roles of UVB Exposure and Diet. Nutrients 2019; 11:E2065. [PMID: 31484329 PMCID: PMC6769941 DOI: 10.3390/nu11092065] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/09/2019] [Accepted: 08/19/2019] [Indexed: 12/20/2022] Open
Abstract
Serum 25-hydroxyvitamin D (25(OH)D) has been largely associated with latitude and sunshine exposure across several regions. According to previous results, 25(OH)D concentrations are, on average, relatively low in countries with abundant sunshine, including those of the Middle East and North Africa region, as well as lower-latitude Europe. The standard explanation for this phenomenon is that people wear concealing clothing because of cultural and religious practices and that high temperatures in summer limit direct sun exposure. However, the role of diet in the development of profound hypovitaminosis D has not been adequately explored in those countries. To examine how diet affects vitamin D status in the Middle Eastern and European countries, a search was conducted for papers from that region reporting 25(OH)D concentrations. Papers were sought that reported summertime and wintertime 25(OH)D concentrations for healthy nonpregnant adults representative of the entire population. Data from 15 Middle Eastern and European countries were found through this search. Data for postmenopausal women from 19 European countries were also obtained. Dietary supply data for animal products containing vitamin D (animal fat, eggs, ocean fish, animal meat, and milk) were obtained from the Food and Agriculture Organization of the United Nations. Latitude and a solar UVB dose index also were obtained for each country. For the 15-country study, energy from dietary factors was highly correlated with latitude, making it difficult to separate the effects of UVB exposure and dietary factors. However, for the 19-country study, dietary factors were only weakly correlated with latitude. In that study, ocean fish was the most important single dietary factor affecting serum 25(OH)D concentration for postmenopausal women in various European countries, but animal fat and meat also contributed. Because this is an ecological study, further research is encouraged to evaluate and extend the findings.
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Affiliation(s)
- William B Grant
- Director, Sunlight, Nutrition, and Health Research Center, P.O. Box 641603, San Francisco, CA 94164-1603, USA.
| | - Hana M A Fakhoury
- Department of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, P.O. Box 50927, Riyadh 11533, Saudi Arabia
| | - Spyridon N Karras
- Division of Endocrinology and Metabolism and Diabetes Center, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, 55535 Thessaloniki, Greece
| | - Fatme Al Anouti
- College of Natural and Health Sciences, Department of Public Health and Nutrition, Zayed University, P.O. Box 4783, Abu Dhabi 144534, UAE
| | - Harjit P Bhattoa
- Endocrinology Unit and Andrology and Cryopreservation Unit, Department of Laboratory Medicine, Faculty of Medicine University of Debrecen Nagyerdei krt. 98, H-4032 Debrecen, Hungary
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Hughes LJ, Black LJ, Sherriff JL, Dunlop E, Strobel N, Lucas RM, Bornman JF. Vitamin D Content of Australian Native Food Plants and Australian-Grown Edible Seaweed. Nutrients 2018; 10:nu10070876. [PMID: 29986447 PMCID: PMC6073725 DOI: 10.3390/nu10070876] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 06/25/2018] [Accepted: 07/03/2018] [Indexed: 01/07/2023] Open
Abstract
Vitamin D has previously been quantified in some plants and algae, particularly in leaves of the Solanaceae family. We measured the vitamin D content of Australian native food plants and Australian-grown edible seaweed. Using liquid chromatography with triple quadrupole mass spectrometry, 13 samples (including leaf, fruit, and seed) were analyzed in duplicate for vitamin D2, vitamin D3, 25-hydroxyvitamin D2, and 25-hydroxyvitamin D3. Five samples contained vitamin D2: raw wattleseed (Acacia victoriae) (0.03 µg/100 g dry weight (DW)); fresh and dried lemon myrtle (Backhousia citriodora) leaves (0.03 and 0.24 µg/100 g DW, respectively); and dried leaves and berries of Tasmanian mountain pepper (Tasmannia lanceolata) (0.67 and 0.05 µg/100 g DW, respectively). Fresh kombu (Lessonia corrugata) contained vitamin D3 (0.01 µg/100 g DW). Detected amounts were low; however, it is possible that exposure to ultraviolet radiation may increase the vitamin D content of plants and algae if vitamin D precursors are present.
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Affiliation(s)
- Laura J Hughes
- School of Public Health, Curtin University, Bentley WA 6102, Australia.
| | - Lucinda J Black
- School of Public Health, Curtin University, Bentley WA 6102, Australia.
| | - Jill L Sherriff
- School of Public Health, Curtin University, Bentley WA 6102, Australia.
| | - Eleanor Dunlop
- School of Public Health, Curtin University, Bentley WA 6102, Australia.
| | - Norbert Strobel
- National Measurement Institute, 1/153 Bertie Street, Port Melbourne VIC 3207, Australia.
| | - Robyn M Lucas
- National Centre for Epidemiology and Population Health, Research School of Population Health, The Australian National University, Canberra ACT 2600, Australia.
- Centre for Ophthalmology and Visual Science, University of Western Australia, Perth WA 6009, Australia.
| | - Janet F Bornman
- School of Veterinary and Life Sciences, Murdoch University, Murdoch WA 6150, Australia.
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