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BackEating Grapes Boosts Skin's UV Defense, Study Finds
Eating Grapes Boosts Skin's UV Defense, Study Finds
صحة
自由时报22.05.2026صحة2 dk okumaChina

Eating Grapes Boosts Skin's UV Defense, Study Finds

نظرة سريعة

  • A study found that consuming three servings of whole grapes daily for two weeks significantly enhanced skin's antioxidant capacity and UV defense.
  • Researchers observed changes in skin gene expression, strengthening the skin's outer barrier and reducing oxidative damage from UV exposure.

ملخص مُنشأ بالذكاء الاصطناعي

لماذا يهم

Grapes are rich in anthocyanins, polyphenols, and resveratrol, which help fight inflammation and stabilize blood pressure. A study explored the effects of grape consumption on skin health.

حجم الخط

2026/05/23 06:37

食農專家韋恩表示,研究發現,每天吃3份完整葡萄,持續2週,不僅皮膚抗氧化力提升,對抗紫外線的防禦力也增強;情境照。(圖取自freepik)

〔健康頻道/綜合報導〕葡萄富含花青素、多酚與白藜蘆醇,有助抗發炎、穩定血壓。對此,食農專家韋恩表示,國外研究也發現,受試者每天吃3份完整葡萄,持續2週時間,其皮膚基因、角質層、抗氧化力均提升,顯示攝取葡萄可讓皮膚對抗紫外線的防禦力增強。

吃葡萄會讓皮膚基因的表現模式改變?韋恩於臉書粉專「韋恩的食農生活」與網頁發文指出,根據西新英格蘭大學和奧勒岡州立大學研究團隊發表於《ACS Nutrition Science》的研究結論,證實了這個答案。研究團隊讓受試者每天攝取相當於3份的完整葡萄,持續2週,並在葡萄攝取前後、合併低劑量紫外線暴露的條件下,分析皮膚的基因表現變化。

韋恩表示,研究顯示,基因層次的改變方向相當一致。所有受試者都朝「角質化與角質層強化提升」的方向移動,也就是說,皮膚外層屏障對環境傷害的防禦能力增強。氧化壓力的測量同步支持這個結果,暴露於低劑量紫外線後,有攝取葡萄的受試者皮膚氧化損傷標記物水平顯著較低。

韋恩說,每個人一開始的皮膚基因表現模式各不相同,葡萄的反應也有個體差異,但讓所有受試者都朝相同方向移動這一點,在受試者之間是一致的。過去臨床試驗顯示,葡萄能改善30至50%的人皮膚對紫外線的抵抗力。這篇基因表現分析也說明,即使外在看不出明顯變化,基因層次的改變可能仍在發生。

韋恩表示,研究團隊將此現象定位為「營養基因組學」反應,食物透過改變基因表現影響健康,而不只是提供特定的營養素。研究團隊也指出,皮膚是人體最大的器官,類似的基因表現改變,也可能同樣發生在肝臟、肌肉、腎臟和腦部。

أسئلة مفتوحة

  • What are the long-term effects of daily grape consumption on skin health?
  • Are there specific types of grapes that are more beneficial?
  • What is the optimal dosage for different age groups or skin types?
  • Can these effects be replicated through grape-derived supplements?

مواضيع ذات صلة

This article was originally published by 自由时报.

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