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コラーゲンペプチド摂取による肌水分蒸散へ及ぼす効果―ランダム化二重盲検プラセボ対照並行群間比較試験―
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JPY
Abstract
Objectives The aim of this study was to investigate the effect of a dietary supplement containing porcine skin collagen peptides on skin in healthy subjects with dry skin. Methods A randomized, double blind, placebo-controlled study was conducted in 36 healthy subjects(30-60 years old)with dry skin. They were randomly divided into two groups and ingested either the test product(125 mL drink containing 10 g collagen peptides derived from porcine skin)per day or the control product(placebo drink)for 8 weeks. The outcomes about skin condition were evaluated using Trans-epidermal Water Loss(TEWL)of left upper arm. Results The increase of TEWL from the pretrial was significantly suppressed at 8 week in the test product containing collagen peptides compared to the placebo group. Conclusions These result suggested that the daily supplementation of collagen peptides derived from porcine skin is effective for skin moisture transpiration.
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