期刊
ANTIOXIDANTS
卷 11, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/antiox11020218
关键词
pomace; canes; extract; cytocompatibility; antioxidant; anti-inflammatory; antimicrobial; freeze-drying; mouthwash; Vitis vinifera
资金
- Romanian Ministry of Research and Innovation, CCCDI-UEFISCDI [PN-III-P1-1.2-PCCDI-2017-0251/4PCCDI/2018]
This study evaluated the biological activities of four extracts from Vitis vinifera by-products, revealing their antioxidant, anti-inflammatory, and antimicrobial properties. The freeze-drying mouthwash formulation containing poloxamer-407, xylitol, and mannitol exhibited desirable mechanical properties and reconstitution time.
In this study, the biological activities of four extracts from Vitis vinifera by-products: two pomace extracts, white (WPE) and red (RPE), a canes extract (CE), and their combination (CoE), were evaluated, to be included in freeze-drying mouthwashes formulations. The cytocompatibility and anticancerous potential of the four extracts were tested on three cancerous cell lines, as well as the cytoprotective activity against nicotine-induced cytotoxicity and the antioxidant potential determined on a human gingival fibroblasts (HGF) cell line. Additionally, the anti-inflammatory activity and the antimicrobial activity against several microorganisms from the oral microbiome were tested. Freeze-dried mouthwashes with CoE were prepared and characterized, both as lyophilizates and after reconstitution. The four tested extracts showed the highest cytotoxicity on MDA-kb2 cell line. The antioxidant potential was demonstrated for WPE, RPE, CE, and CoE, both in non-stimulated and H2O2 stimulated conditions. The four extracts reduced the levels of proinflammatory cytokines (IL-6, IL-8, and IL-1 beta) in a dose-dependent manner, confirming their anti-inflammatory activity. The antimicrobial activity of tested extracts was shown against pathogenic bacteria from the oral microbiome. Mouthwashes of CoE with poloxamer-407, xylitol, and different ratios of mannitol were prepared by freeze-drying leading to porous formulations with interesting mechanical properties and reconstitution times.
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