期刊
FOOD & FUNCTION
卷 13, 期 18, 页码 9589-9601出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2fo02020c
关键词
-
资金
- Italian Ministry of Agricultural, Food, and Forestry Policies [18770]
This study investigated the relationships between different green extracts from hop cones and their effects on human cultured colonocytes. The extracts were obtained using ultrasound and microwave assisted extraction, and their chemical fingerprinting revealed the presence of various bioactive compounds. The extracts showed dose-dependent cytotoxic effects, with the highest concentrations displaying pro-oxidant or antioxidant activity. Chemometric analysis identified the compounds most correlated with cellular toxicity and ROS production.
The present study investigated the relationships between different green extracts from hop cones (HGEs) and their cytoprotective/cytotoxic effects on human cultured colonocytes, using a multivariate statistical approach. HGEs were obtained by ultrasound (US) and microwave (MW) assisted extraction, using food grade solvents (ethanol and ethanol : water = 50 : 50 mixture). Their chemical fingerprinting showed the presence of 21 bioactive compounds belonging to the classes of polyphenols, prenylcalcones and floroacylglucinols, which were more abundant in MW ethanolic extracts. All the extracts, except for the US hydroalcoholic one, exerted a cytotoxic effect in a dose-dependent manner. HGEs did not alter the cellular redox status at low doses, while at the highest concentrations considered they displayed a pro-oxidant or antioxidant activity. Chemometric analysis revealed the compounds most correlated with cellular toxicity and/or ROS production and that the differences observed in Caco2 cells could be adequately explained by 2D statistical models including inhibitor-promoting agent pairs.
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