Adequate vitamin B12 and riboflavin status from menus alone in residential care facilities in the Lower Mainland, British Columbia

Kyly C Whitfield, Liz da Silva, Fabio Feldman, Sonia Singh, Adrian McCann, Liadhan B McAnena, Mary Ward, Helene McNulty, Susan Barr, Tim Green

Research output: Contribution to journalArticle

Abstract

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 12 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 12 and riboflavin biochemical status (via microparticle enzyme immunoassay and erythrocyte glutathione reductase activity coefficient (EGRac), respectively), and the vitamin B 12 , riboflavin, and folate content of menus served to a convenience sample of older adults (≥65 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 ± 7 years, largely of European descent (92%), and nonsmokers (95%). The menus served had a low prevalence of inadequacy for vitamin B 12 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 ± SD serum total vitamin B 12 concentration was 422 ± 209 pmol/L, and EGRac was 1.30 ± 0.19. The majority of older adults in residential care were provided with adequate vitamin B 12 and riboflavin menu amounts, and only 5% were vitamin B 12 deficient (<148 pmol/L). However, 26% were riboflavin deficient (EGRac ≥ 1.4), which may warrant further investigation.

LanguageEnglish
Pages414-419
Number of pages6
JournalApplied Physiology, Nutrition, and Metabolism
Volume44
Issue number4
Early online date24 Sep 2018
DOIs
Publication statusPublished - 1 Apr 2019

Fingerprint

Residential Facilities
British Columbia
Riboflavin
Vitamin B 12
Glutathione Reductase
Folic Acid
Erythrocytes
Canada
Vitamin B 12 Deficiency
Food
Vitamin B Complex
Immunoenzyme Techniques
Meals
Diet
Health
Serum

Keywords

  • vitamin B12 (cobalamin)
  • vitamin B2 (riboflavin)
  • older adults
  • residential care
  • menu assessment
  • folate

Cite this

Whitfield, Kyly C ; da Silva, Liz ; Feldman, Fabio ; Singh, Sonia ; McCann, Adrian ; McAnena, Liadhan B ; Ward, Mary ; McNulty, Helene ; Barr, Susan ; Green, Tim. / Adequate vitamin B12 and riboflavin status from menus alone in residential care facilities in the Lower Mainland, British Columbia. In: Applied Physiology, Nutrition, and Metabolism. 2019 ; Vol. 44, No. 4. pp. 414-419.
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Adequate vitamin B12 and riboflavin status from menus alone in residential care facilities in the Lower Mainland, British Columbia. / Whitfield, Kyly C; da Silva, Liz; Feldman, Fabio; Singh, Sonia; McCann, Adrian; McAnena, Liadhan B; Ward, Mary; McNulty, Helene; Barr, Susan; Green, Tim.

In: Applied Physiology, Nutrition, and Metabolism, Vol. 44, No. 4, 01.04.2019, p. 414-419.

Research output: Contribution to journalArticle

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