Nutritional status in a healthy elderly population

Riboflavin

P. J. Garry, James Goodwin, W. C. Hunt

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Riboflavin status in 270 free-living and healthy elderly was determined from dietary intake (3-day food records) and erythrocyte glutathione reductase activity coefficients (EGR-AC). High EGR-ACs (>1.35) indicate poor riboflavin nutriture. Mean dietary intakes of riboflavin were 1.86 ± 0.64 (SD) for males and 1.58 ± 0.69 mg/day for females. Approximately 45% of the population were taking some supplemental riboflavin and total riboflavin intakes ranged from 0.65 to 165 mg/day. The mean EGR-AC for those taking supplemental riboflavin was significantly lower than that of the nonsupplemented group (1.06 and 1.16, respectively). Only three subjects had EGR-ACs > 1.35. A significant correlation was found between total riboflavin intake and EGR-AC (r = -0.53). In a separate population of 667 volunteers between the age of 20 and 87 yr, a significant decrease in mean EGR-AC with age was found. The mean EGR-AC for those over 60 yr and not taking a supplement was 1.16 ± 0.10 compared to 1.23 ± 0.11 for those from 20 to 29 yr old. Inadequate riboflavin nutriture appears to be more of a problem for younger than older adults.

Original languageEnglish (US)
Pages (from-to)902-909
Number of pages8
JournalAmerican Journal of Clinical Nutrition
Volume36
Issue number5
StatePublished - 1982
Externally publishedYes

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Riboflavin
riboflavin
Nutritional Status
nutritional status
Glutathione Reductase
glutathione-disulfide reductase
erythrocytes
Erythrocytes
Population
food intake
food records
young adults
volunteers
Young Adult
Volunteers
Food

ASJC Scopus subject areas

  • Food Science
  • Medicine (miscellaneous)

Cite this

Nutritional status in a healthy elderly population : Riboflavin. / Garry, P. J.; Goodwin, James; Hunt, W. C.

In: American Journal of Clinical Nutrition, Vol. 36, No. 5, 1982, p. 902-909.

Research output: Contribution to journalArticle

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