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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2001.11
- 수록면
- 120 - 126 (7page)
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초록· 키워드
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Body antioxidant status is an important factor for the prevention of many chronic diseases in the elderly. This study was done to evaluate the nutritional status of antioxidant vitamins of the elderly by determining their intakes and plasma levels. It was also airned aimed to compare daily intaked and plasma levels of antioxidant vitamis by sex and age. Subjects were 225 elderly persons aged over 60 years old (63 males, 162 females) living in Ulsan area. Subjects were divided by 6 groups according to age (<65, 65-74, ≥75) and sex. Dietary intakes were assessed by semi-quantitative food frequency questionnaires(FFQ). Plasma Vitamin C level was easured by 2,4-dinitrophenylydrazine method and plasma levels vitamin E, A and β-charotene were measured by HPLC. The average intakes of vitamin C were 104.9g(150% of RDA) and 104.4g(149% of RDA) in the elderly males and females, respectively. Vitamin C intake of the elderly was significantly decreased by aging but not different by sex. The average intakes of vitamin A were 678μgRE(96.9% of RDA) and 604μgRE(86.2% of RDA) in elderly males and females, respectively. The average levels of plasma vitamin C were 6.22mg/L and 11.45mg/L in the elderly males and females, respectively. Those levels are within normal range(6-20mg/L). However the percentage of the elderly males with dificiency (<2mg/L) and marginal level(2-4mg/L) of vitamin C were 27.4% and 16.1%, respectively. Plasma retinol levels were 0.39mg/L for the elderly males and 0.37mg/L for the elderly females, which were within normal range. But the percentage of subjects with marginal level were 28% in both males and females. Plasma α-tocopherol levels of the elderly were lower than normal range(5-12mg/L). Plasma levels of vitamin C, E and β-carotene, except retinol, were significantly higher in the elderly females compared to males and showed a significant decrease by aging. (J Community Nutrition 3(2) : 120~126, 2001)
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