期刊
INTERNATIONAL JOURNAL FOR VITAMIN AND NUTRITION RESEARCH
卷 70, 期 2, 页码 54-64出版社
HOGREFE PUBLISHING CORP
DOI: 10.1024/0300-9831.70.2.54
关键词
vitamins; intake; vitamin status; elderly; geriatric patients; France
Vitamin status was assessed in 26 recently institutionalized elderly subjects by combining dietary and biochemical measurements of thiamin, fiboflavin, niacin, beta-carotene, vitamins C, A, D and E at admission (PI). and 1.5 (P2), 3.0 (P3), 4.5 (P4), 6.0 (P5), 12 (P6) months Later. I: At admission, except for vitamin A, mean vitamin intakes were lower than the 1992 French Recommended Dietary Allowance. Thiamin, vitamins C, A, and E status seemed nearly satisfactory as less than one-fourth of the population sample had blood values lower than the cut-off point for thiamin (erythrocyte thiamin pyrophosphate < 0.17 mu mol/l), vitamin A (serum retinol < 1.05 mu mol/l), vitamin C (serum vitamin C < 11.3 mu mol/l) and vitamin E (serum alpha-tocopherol < 9.3 mu mol/l) or higher than the cut-off point for thiamin (erythrocyte transketolase activity coefficient > 1.19). Almost half of the subjects: for riboflavin and almost ail non supplemented subjects for vitamin D were in risk of vitamin deficiency (46%: had:an erythrocyte glutathione reductase activity coefficient > 1.19 and 72% had a plasma 25(OH)D-3 < 25 nmol). During the study, vitamins status remained unchanged for riboflavin, niacin, vitamins A, D and E, improved for vitamin C (P = 0.004) or impaired for thiamin (P = 0.008). Thus, institutionalization seemed to have no effect on riboflavin, niacin, vitamins A.,P and E. status and a slight effect on thiamin and vitamin C Status.
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