Natural compounds in grapes may protect skin by altering gene expression linked to ageing damage, researchers reported Monday. The study examined how grape-derived polyphenols influenced cellular pathways involved in collagen maintenance, oxidative stress and barrier function.
In controlled experiments, scientists observed shifts in activity among genes associated with inflammation and extracellular matrix repair after exposure to grape extracts. Authors said the changes suggest dietary components could complement, not replace, established sun protection and dermatologic care.
Nutrition researchers noted that whole fruit consumption differs from concentrated supplement forms tested in the lab. They urged caution against overstating cosmetic benefits without long-term human trials measuring clinically meaningful outcomes.
Cosmetic and food industries have shown growing interest in plant-based actives with measurable molecular effects. Peer reviewers called for studies in diverse skin types and real-world aging populations before broad public health recommendations are issued.
Dermatologists emphasized that sun protection and retinoid therapies remain evidence-based standards while grape compounds are studied further. Vineyard regions marketing polyphenol-rich diets welcomed the attention but cautioned against medical claims on labels. The research team plans human trials measuring skin elasticity and barrier function over 12 months.
Regulators cautioned supplement marketers against citing the gene-expression findings without approved health claims. Organic food advocates said whole-diet patterns remain more important than single-ingredient focus.
Created by Ayen Stabel.
Stabel is AI and can make mistakes.
Sources:
https://scitechdaily.com/