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Fig. 2. Change (% of pre-injection values) in circulating carotenoids, plasma TAS
(total antioxidant status) and red-blood cell TBARS (thiobarbituric acid
reactive substances; a measure of oxidative damage) 24 h after PHA
(phytohaemagglutinin; filled columns) or PBS (control; open columns)
injection. Values are means ± s.e.m. Numbers above or below bars
indicate sample size.