Low intakes of vegetables and fruits, especially citrus fruits, lead to inadequate vitamin C intakes among adults

C. A. Taylor, J. S. Hampl, Carol Johnston

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Objective: To determine vitamin C intakes among adults and to identify differences in dietary intake associated with vitamin C consumption. Design: This cross-sectional study compared vitamin C intake, nutrient intake, and food group choices of adults with low (< 30 mg/d), marginal (30-60 mg/d), and desirable (> 60 mg/d) vitamin C intakes. Subjects: Data from 2472 men and 2334 women aged 25-75 y were obtained from the 1994-1996 Continuing Survey of Food Intakes by Individuals (CSFII). Results: Overall, 18% of the sample had low vitamin C intakes, 24% had marginal intakes, and 58% had desirable intakes. In addition to consuming less vitamin C, adults with low vitamin C intakes consumed significantly less (P ≤ 0.001) energy-adjusted (ie nutrient/1000 kcal) folate, fiber, β-carotene, and vitamin B6, and significantly more (P < 0.001) fat. Compared to adults with low intakes, adults with desirable vitamin C intakes consumed significantly more (P ≤ 0.001) high-vitamin C fruit juice and low-vitamin C vegetables, while consuming significantly less (P ≤ 0.009) soft drinks, coffee/tea and alcoholic beverages. On average, adults with desirable vitamin C intakes consumed more than five daily servings of vegetables and fruits, of which more than one was citrus. Adults with low and marginal vitamin C intakes consumed less than one-fifth of a serving of citrus. Conclusions: A considerable number of adults under-consume vitamin C and total vegetables and fruits. Nutritionists should continue to promote five to nine daily servings of vegetables and fruits, at least one of which should be rich in vitamin C.

Original languageEnglish (US)
Pages (from-to)573-578
Number of pages6
JournalEuropean Journal of Clinical Nutrition
Volume54
Issue number7
DOIs
StatePublished - 2000

Fingerprint

Citrus
citrus fruits
vegetable consumption
fruit consumption
Vegetables
Ascorbic Acid
Fruit
ascorbic acid
vegetables
fruits
Eating
Continuing Survey of Food Intakes by Individuals
Carbonated Beverages
tea (beverage)
Dilatation and Curettage
Food
Alcoholic Beverages
Vitamin B 6
Nutritionists
alcoholic beverages

Keywords

  • Adults
  • Food consumption surveys
  • Fruit
  • Vitamin C

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science

Cite this

Low intakes of vegetables and fruits, especially citrus fruits, lead to inadequate vitamin C intakes among adults. / Taylor, C. A.; Hampl, J. S.; Johnston, Carol.

In: European Journal of Clinical Nutrition, Vol. 54, No. 7, 2000, p. 573-578.

Research output: Contribution to journalArticle

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AB - Objective: To determine vitamin C intakes among adults and to identify differences in dietary intake associated with vitamin C consumption. Design: This cross-sectional study compared vitamin C intake, nutrient intake, and food group choices of adults with low (< 30 mg/d), marginal (30-60 mg/d), and desirable (> 60 mg/d) vitamin C intakes. Subjects: Data from 2472 men and 2334 women aged 25-75 y were obtained from the 1994-1996 Continuing Survey of Food Intakes by Individuals (CSFII). Results: Overall, 18% of the sample had low vitamin C intakes, 24% had marginal intakes, and 58% had desirable intakes. In addition to consuming less vitamin C, adults with low vitamin C intakes consumed significantly less (P ≤ 0.001) energy-adjusted (ie nutrient/1000 kcal) folate, fiber, β-carotene, and vitamin B6, and significantly more (P < 0.001) fat. Compared to adults with low intakes, adults with desirable vitamin C intakes consumed significantly more (P ≤ 0.001) high-vitamin C fruit juice and low-vitamin C vegetables, while consuming significantly less (P ≤ 0.009) soft drinks, coffee/tea and alcoholic beverages. On average, adults with desirable vitamin C intakes consumed more than five daily servings of vegetables and fruits, of which more than one was citrus. Adults with low and marginal vitamin C intakes consumed less than one-fifth of a serving of citrus. Conclusions: A considerable number of adults under-consume vitamin C and total vegetables and fruits. Nutritionists should continue to promote five to nine daily servings of vegetables and fruits, at least one of which should be rich in vitamin C.

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