The effect of vitamin C & E supplement on the antioxidative status in patients with chronic obstructive pulmonary disease

A double-blind placebo-control pilot study

Lie Chuan Liu, Chieh Yu Huang, Jun Jie Huang, Hsiu Chuan Lee, Shih Yi Huang

Research output: Contribution to journalArticle

Abstract

Chronic obstructive pulmonary disease (COPD) is an obstructive airway disorder. An imbalance between oxidants and antioxidants has been proposed in the pathogenesis of COPD. No matter the source of oxidant, such as the inhaled from smoking or generated from leucocytes, it not only makes bronchiolar constriction, fibrosis, and narrowing, but also hurt lung cell wall and decline lung function. The aim of the study was to investigate the effect of antioxidant vitamin C&E supplement on the antioxidative status in COPD patients. Forty-two male COPD outpatients were double-blinded, randomly divided into four groups supplement with placebo or vitamin E (400 IU/day) or vitamin C (500 mg/day) or vitamin C+E daily for 13 weeks. The antioxidative status of COPD patients was evaluated. Results showed after supplementation with vitamin C and C+E significantly lowering plasma total cholesterol concentration (p <0.05). Supplementation with vitamin C results in statistically significantly lowering high density lipoprotein cholesterol and attenuation of plasma isoprostane -the product of lipid peroxidation (p <0.05). More than these, patients had the trend to reduce antioxidant enzyme activity and plasma malondialdehyde, to prolong the lag-time of LDL oxidation and to increase total radical trapping antioxidant parameter after 13-week supplementation. Therefore, supplement with antioxidant vitamins may play a role in reduce the oxidative stress of COPD patients.

Original languageEnglish
Pages (from-to)65-76
Number of pages12
JournalNutritional Sciences Journal
Volume35
Issue number2
Publication statusPublished - Jun 2010

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Chronic Obstructive Pulmonary Disease
Ascorbic Acid
Placebos
Antioxidants
Vitamin E
Oxidants
Isoprostanes
Lung
Malondialdehyde
Constriction
Vitamins
Cell Wall
HDL Cholesterol
Lipid Peroxidation
Oxidative Stress
Leukocytes
Fibrosis
Outpatients
Smoking
Cholesterol

Keywords

  • Antioxidative enzymes
  • COPD
  • Vitamin C
  • Vitamin E

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

The effect of vitamin C & E supplement on the antioxidative status in patients with chronic obstructive pulmonary disease : A double-blind placebo-control pilot study. / Liu, Lie Chuan; Huang, Chieh Yu; Huang, Jun Jie; Lee, Hsiu Chuan; Huang, Shih Yi.

In: Nutritional Sciences Journal, Vol. 35, No. 2, 06.2010, p. 65-76.

Research output: Contribution to journalArticle

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