{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T10:55:19Z","timestamp":1792320919187,"version":"4.4.0"},"reference-count":33,"publisher":"Canadian Science Publishing","issue":"4","license":[{"start":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:00:00Z","timestamp":1554076800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":["cdnsciencepub.com"],"crossmark-restriction":false},"short-container-title":["Appl. Physiol. Nutr. Metab."],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:p> Older adults have potential increased risk of nutrient deficiencies because of age-related decreased dietary intake and malabsorption; it is important to ensure nutrient needs are met to avoid adverse health outcomes. B vitamins are of particular interest: vitamin B<jats:sub>12<\/jats:sub> deficiency can cause irreversible neurodegeneration; there is mandatory folic acid fortification in Canada; and suboptimal riboflavin status has been reported among older adults in the United Kingdom. In this exploratory secondary analysis study we assessed vitamin B<jats:sub>12<\/jats:sub> and riboflavin biochemical status (via microparticle enzyme immunoassay and erythrocyte glutathione reductase activity coefficient (EGRac), respectively), and the vitamin B<jats:sub>12<\/jats:sub>, riboflavin, and folate content of menus served to a convenience sample of older adults (\u226565 years) from 5 residential care facilities within the Lower Mainland of British Columbia, Canada. Diet was assessed from customized 28-day cycle meal plans. Participants (n = 207; 53 men and 154 women) were aged 86 \u00b1 7 years, largely of European descent (92%), and nonsmokers (95%). The menus served had a low prevalence of inadequacy for vitamin B<jats:sub>12<\/jats:sub> and riboflavin (only 4% and 1% of menus contained less than the estimated average requirement (EAR), respectively), but 93% contained less than the EAR for folate. Mean \u00b1 SD serum total vitamin B<jats:sub>12<\/jats:sub> concentration was 422 \u00b1 209 pmol\/L, and EGRac was 1.30 \u00b1 0.19. The majority of older adults in residential care were provided with adequate vitamin B<jats:sub>12<\/jats:sub> and riboflavin menu amounts, and only 5% were vitamin B<jats:sub>12<\/jats:sub> deficient (&lt;148 pmol\/L). However, 26% were riboflavin deficient (EGRac \u2265 1.4), which may warrant further investigation. <\/jats:p>","DOI":"10.1139\/apnm-2018-0459","type":"journal-article","created":{"date-parts":[[2018,9,24]],"date-time":"2018-09-24T21:37:24Z","timestamp":1537825044000},"page":"414-419","update-policy":"https:\/\/doi.org\/10.1139\/csp-crossmark-policy","source":"Crossref","is-referenced-by-count":7,"title":["Adequate vitamin B<sub>12<\/sub> and riboflavin status from menus alone in residential care facilities in the Lower Mainland, British Columbia"],"prefix":"10.1139","volume":"44","author":[{"given":"Kyly C.","family":"Whitfield","sequence":"first","affiliation":[{"name":"Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS B3M 2J6, Canada."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liz","family":"da Silva","sequence":"additional","affiliation":[{"name":"Fraser Health Authority, Suite 400, Central City Tower, 13450 \u2013 102nd Avenue, Surrey, BC V3T 0H1, Canada."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabio","family":"Feldman","sequence":"additional","affiliation":[{"name":"Fraser Health Authority, Suite 400, Central City Tower, 13450 \u2013 102nd Avenue, Surrey, BC V3T 0H1, Canada."},{"name":"Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC V5A 1S6, Canada."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sonia","family":"Singh","sequence":"additional","affiliation":[{"name":"Fraser Health Authority, Suite 400, Central City Tower, 13450 \u2013 102nd Avenue, Surrey, BC V3T 0H1, Canada."},{"name":"Department of Family Practice, University of British Columbia, Vancouver, BC V6T 1Z4, Canada."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adrian","family":"McCann","sequence":"additional","affiliation":[{"name":"Bevital AS, Laboratoriebygget, 9 etg, Jonas Lies veg 87, 5021 Bergen, Norway."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liadhan","family":"McAnena","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health, Ulster University, Cromore Road, Coleraine BT52 1SA, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary","family":"Ward","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health, Ulster University, Cromore Road, Coleraine BT52 1SA, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helene","family":"McNulty","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health, Ulster University, Cromore Road, Coleraine BT52 1SA, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susan I.","family":"Barr","sequence":"additional","affiliation":[{"name":"Food, Nutrition and Health, University of British Columbia, Vancouver, BC V6T 1Z4, Canada."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tim J.","family":"Green","sequence":"additional","affiliation":[{"name":"Healthy Mothers, Babies and Children Theme, South Australia Health and Medical Research Institute, North Terrace, Adelaide SA 5000, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"155","reference":[{"key":"refg1\/ref1","doi-asserted-by":"publisher","DOI":"10.1111\/ijpp.12397"},{"key":"refg2\/ref2","unstructured":"Bales, C.W., and Johnson, M.A. 2014. 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