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Nutrients 2017, 9(7), 729; doi:10.3390/nu9070729

Dietary Vitamin C, E and β-Carotene Intake Does Not Significantly Affect Plasma or Salivary Antioxidant Indices and Salivary C-Reactive Protein in Older Subjects

1
Department of Hygiene and Health Promotion, Medical University of Lodz, Hallera St. 1, Łódź 90-647, Poland
2
Department of Geriatrics, Medical University of Lodz, Pieniny St. 30, Łódź 90-993, Poland
3
Department of General Physiology, Medical University of Lodz, Mazowiecka St. 6/8, Łódź 92-215, Poland
4
Department of Hygiene of Nutrition and Epidemiology, Medical University of Lodz, Hallera St. 1, Łódź 90-647, Poland
5
Department of Clinical Physiology, Medical University of Lodz, Mazowiecka St. 6/8, Łódź 92-215, Poland
*
Author to whom correspondence should be addressed.
Received: 1 June 2017 / Revised: 29 June 2017 / Accepted: 6 July 2017 / Published: 9 July 2017
(This article belongs to the Special Issue Antioxidants in Health and Disease)
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Abstract

It is not clear whether habitual dietary intake influences the antioxidant or inflammatory status. The aim of the present study was to assess the impact of antioxidative vitamins C, E, and β-carotene obtained from daily food rations on plasma and salivary Total Antioxidant Capacity (TAC), uric acid and salivary C-reactive protein (CRP). The study involved 80 older subjects (66.9 ± 4.3 years), divided into two groups: group 1 (n = 43) with lower and group 2 (n = 37) with higher combined vitamins C, E and β-carotene intake. A 24-h dietary recall was obtained from each individual. TAC was assessed simultaneously with two methods in plasma (Ferric Reducing Ability of Plasma—FRAP, 2.2-diphenyl-1-picryl-hydrazyl—DPPH) and in saliva (FRAS and DPPHS test). Lower vitamin C intake corresponded to higher FRAS. There were no other correlations between vitamins C, E or β-carotene intake and antioxidant indices. Salivary CRP was not related to any antioxidant indices. FRAS was decreased in group 2 (p < 0.01) but no other group differences for salivary or for plasma antioxidant parameters and salivary CRP were found. Habitual, not extra supplemented dietary intake does not significantly affect plasma or salivary TAC and salivary CRP. View Full-Text
Keywords: plasma total antioxidant capacity; saliva; uric acid; C-reactive protein; diet; vitamin C intake; vitamin E intake; β-carotene; DPPH; FRAP plasma total antioxidant capacity; saliva; uric acid; C-reactive protein; diet; vitamin C intake; vitamin E intake; β-carotene; DPPH; FRAP
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gawron-Skarbek, A.; Guligowska, A.; Prymont-Przymińska, A.; Godala, M.; Kolmaga, A.; Nowak, D.; Szatko, F.; Kostka, T. Dietary Vitamin C, E and β-Carotene Intake Does Not Significantly Affect Plasma or Salivary Antioxidant Indices and Salivary C-Reactive Protein in Older Subjects. Nutrients 2017, 9, 729.

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