ArticlePharmaceuticals (Basel, Switzerland)2024
Zibibbo Grape Seeds' Polyphenolic Profile: Effects on Bone Turnover and Metabolism.
Article in Pharmaceuticals (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- A carotenoid-rich functional tomato sauce (OsteoCol®) reduces liver fat content in adults with metabolic dysfunction-associated steatotic liver disease: a randomized clinical trial.European journal of nutrition · 2026Trial
- Ancient grain flour consumption as a novel therapeutic approach for irritable bowel syndrome.European journal of nutrition · 2025Trial
- Modulation of Dietary 5-Hydroxymethylfurfural-Induced Intestinal Epithelial Stress by Blueberry Polyphenols.International journal of molecular sciences · 2026Article
- The gut-bone axis: impact of diet on gut microbiome and osteoporosis.Bone research · 2026Review
- Self-assembling rose-derived nanovesicles: A multifunctional tool for tissue regeneration.International journal of pharmaceutics: X · 2025Article
- Microfluidic Design of Ultradeformable Liposomes for Advanced Skin Delivery ofPharmaceutics · 2025Article
- Antioxidant andPlants (Basel, Switzerland) · 2025Article
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10 authors.
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Abstract
backgroundThe consumption of seeds as food has become increasingly common due to their numerous health benefits. Among these, the seeds of the Zibibbo grape from Pantelleria, a native species of southern Italy, remain largely unexplored and are usually considered waste material from viticulture. Nevertheless, Zibibbo grape seeds may offer health benefits, particularly for the elderly and people with metabolic disorders, due to their potential content of beneficial compounds such as polyphenols.
methodsThe Zibibbo grape seeds extract (ZSE) was characterized using UV-visible spectrophotometry and HPLC chromatography. The antioxidant activity of ZSE was measured by different colorimetric assays and Electronic Paramagnetic Resonance (EPR). Additionally, specific in vitro tests were conducted on human osteoblast cell lines (Saos-2 and MG63) aiming to evaluate the ZSE's effects on bone turnover and metabolism. Western blotting was used to assess the impact on specific proteins and pathways related to bone health.
resultsThe ZSE contained almost ~3 mg/mL of carbohydrates and phenolic compounds, including rutin (~6.4 ppm) and hesperidin (~44.6 ppm). The extracts exhibited an antioxidant activity greater than 90% across all tests performed. Moreover, the Zibibbo seed extracts exerted a significant proliferative effect on the Saos-2 cell human osteoblast-like cell line, also modulating the phosphorylation of specific kinases involved in cell health and metabolism.
conclusionsZibibbo grape seeds are rich in phenolic compounds, especially flavonoids with strong antioxidant and free radical scavenging properties. ZSE demonstrated beneficial effects on bone metabolism and osteoblast proliferation, suggesting potential for counteracting osteodegenerative conditions like osteoporosis. If confirmed through further studies, Zibibbo grape seed phenolic compounds could serve as an adjunctive therapy for osteoporosis, helping to slow aging and bone degeneration.
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