PREVALENCE OF RIBOFLAVIN DEFICIENCY AMONG GUATEMALAN ELDERLY PEOPLE AND ITS RELATIONSHIP TO MILK INTAKE

被引:54
作者
BOISVERT, WA
CASTANEDA, C
MENDOZA, I
LANGELOH, G
SOLOMONS, NW
GERSHOFF, SN
RUSSELL, RM
机构
[1] TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,711 WASHINGTON ST,BOSTON,MA 02111
[2] HOSP OJOS & OIDOS,CTR STUDIES SENSORY IMPAIRMENT AGING & METAB,GUATEMALA CITY,GUATEMALA
[3] TUFTS UNIV,SCH NUTR,MEDFORD,MA 02155
关键词
RIBOFLAVIN DEFICIENCY; ERYTHROCYTE GLUTATHIONE REDUCTASE; MILK INTAKE; RIBOFLAVIN SUPPLEMENTATION; GUATEMALAN ELDERLY PEOPLE;
D O I
10.1093/ajcn/58.1.85
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Six groups of elderly subjects from central Guatemala were assessed for riboflavin status by using the erythrocyte glutathione reductase activity coefficient (EGRAC). The prevalence of riboflavin deficiency ranged from 50% to 76% among the free-living rural elderly subjects. Milk intake data that were collected from some of the subjects showed a significant correlation (P < 0.0001) between frequency of milk intake and riboflavin status. In a short-term riboflavin supplementation experiment in which nine riboflavin-deficient subjects were given 10 mg riboflavin/d for 3 d, all the subjects' EGRACs were normalized by the supplementation. However, they returned to a state of deficiency within 2 wk while consuming their usual diets without supplementation. It appears that the high prevalence of riboflavin deficiency in elderly Guatemalan people is caused by inadequate intake of riboflavin-rich foods such as dairy products, and that sufficient amounts of riboflavin need to be ingested regularly to maintain satisfactory riboflavin status.
引用
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页码:85 / 90
页数:6
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