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  • 标题:Clinical Evidence of Effects of Green Mandarin (Putgyul) Extract on Skin Aging: A Randomized, Double Blind, Placebo-Controlled Study
  • 本地全文:下载
  • 作者:Young-Min Ham ; Seon-A Yoon ; Hyejin Hyeon
  • 期刊名称:Nutrients
  • 电子版ISSN:2072-6643
  • 出版年度:2022
  • 卷号:14
  • 期号:7
  • DOI:10.3390/nu14071352
  • 语种:English
  • 出版社:MDPI Publishing
  • 摘要:Green mandarins are widely consumed unripe as mandarin oranges ( Citrus unshiu Marcov.), which exhibit anti-inflammatory and anti-wrinkle effects by inhibiting the production of inflammatory cytokines and matrix metalloproteinase. A randomized, double-blind, placebo-controlled clinical study was performed to verify the skin improvement efficacy and safety of green mandarin extract (PTE). For the standardization of PTE, narirutin was set as a marker compound, and PTE with a constant narirutin content was prepared for the study. After randomizing subjects with periorbital wrinkles, they were orally administered PTE (300 mg/day) or a placebo for 12 weeks. Periorbital wrinkles were measured using PRIMOS CR SF. Skin elasticity, moisture content, transepidermal water loss, and gloss were also measured. In the study results, the depth, volume, and skin roughness of the periorbital wrinkles were significantly improved compared to the control group ( p = 0.011, 0.009, and 0.004, respectively). The survey confirmed that the skin condition improved after PTE consumption for 12 weeks. No adverse reactions associated with PTE were observed during the study period. Thus, the results demonstrate that PTE effectively improves UV-induced skin wrinkles. Therefore, it is considered that PTE has sufficient value as a functional food ingredient that can prevent skin aging.
  • 关键词:enCitrus unshiuMarcov.Putgyul extractskin agingnarirutinfunctional food
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