A pilot dietary intervention study found that consuming two SunGold kiwifruit daily for 8 weeks significantly increased skin vitamin C levels and improved skin density and cellular proliferation among patients with low plasma ascorbate levels. Conducted by Juliet M. Pullar, PhD, and colleagues at the University of Otago, the study reported an increase in whole-skin ascorbate concentrations from 99 to 150 nmol/g and epidermal cell proliferation rose from 21 to 27 intensity units, demonstrating the importance of dietary vitamin C for skin health.
1. Study increased skin vitamin C via daily kiwifruit. 2. Whole-skin ascorbate rose from 99 to 150 nmol/g. 3. Epidermal cell proliferation improved from 21 to 27 intensity units. 4. Method: reverse-phase high-performance liquid chromatography. 5. Higher epidermal ascorbate supports collagen synthesis.
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