Article Publish Status: FREE
Abstract Title:

Comparison of plasma and leukocyte vitamin C status between asthmatic and healthy subjects.

Abstract Source:

East Mediterr Health J. 2005 Jan-Mar;11(1-2):87-95. PMID: 16532676

Abstract Author(s):

F Shidfar, N Baghai, A Keshavarz, A Ameri, S Shidfar

Article Affiliation:

F Shidfar


In a case-control study the vitamin C status of 50 adults with chronic controlled asthma was compared with that of 50 randomly selected healthy controls. Vitamin C intake was assessed by 3-day dietary recall, and plasma and leukocyte vitamin C concentrations were measured colorimetrically. A positive significant correlation was found between plasma vitamin C and dietary vitamin C intake. Plasma and leukocyte vitamin C levels were significantly lower in the asthma group. Plasma vitamin C was deficient (<0.4 mg/dL) in significantly more patients than controls (38.0% versus 0%) and leukocyte vitamin C (<20 microg/10(8) leukocytes) was deficient in 92.0% of asthmatics versus 8.0% of controls. A significant association was observed between duration of asthma and plasma vitamin C level.

Study Type : Human Study

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