R. Erenler, C. Yaman, lbrahim Demirtas, M. Hakkı Alma
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引用次数: 3
Abstract
Hypericum heterophyllum has been used as a traditional medicine and includes significant bioactive compounds.
To quantitatively determine the phenolic and flavonoid contents of Hypericum heterophyllum flowers and evaluate the antioxidant activity. Also, to present the activity-compound relationship.
Flowers of H. heterophyllum Vent., endemic species for Turkey were collected from Yozgat-Turkey. H. heterophyllum flowers were extracted with methanol, ethanol, acetone, and chloroform individually. LC-ESI-MS/MS analysis for phytochemicals was carried out for each extract. Total phenolic and flavonoid content were carried out for each extract. The antioxidant activity was performed using DPPH•, ABTS•+, hydroxyl radical, and superoxide radical scavenging assays.
Chlorogenic acid was found as a major compound in all extracts. Among the extracts, methanol extract included the most phenolic compound. The methanol extract and acetone extract consisted of the most flavonoids. Acetone and ethanol extracts revealed the most DPPH and ABTS activity respectively. Acetone extract exhibited the highest hydroxyl radical and superoxide radical scavenging effect
Flowers of H. heterophyllum contain bioactive compounds and they revealed good antioxidant activity. Hence, H. heterophyllum flowers could be a promising agent for the pharmaceutical and food industries.
期刊介绍:
The Natural Products Journal a peer reviewed journal, aims to publish all the latest and outstanding developments in natural products. The Natural Products Journal publishes original research articles, full-length/mini reviews, letters and guest edited issues on all aspects of research and development in the field including: isolation, purification, structure elucidation, synthesis and bioactivity of chemical compounds found in nature.