Plants are valuable sources of antioxidants, which could have beneficial effect on human health. In this respect flavonoids and other polyphenolic compounds gained the greatest attention. The present study was undertaken to evaluate in vitro antiradical activity different extracts (ethanol, hexane, acetone, chlorophorm methanol) Artemisia vulgaris L., A. fragrans Willd., absinthium L. splendens...

Resam fern (Gleichenia linearis (Burm.) C.B. Clarke) is a terrestrial plant that easy to grow and has been used for medicinal purposes as by the community empirically. This study aimed explore potential of Gleichenia plants based on their phytochemical profiles total phenol content extract. Clarke leaves were extracted with aquadest methanol solvent maceration method. Phytochemical was detected...

Objective: Antioxidant activities of the plants were significantly affected by their drying methods. In current study, total phenolic contents and antioxidant activity aqueous extracts peppermint (Mentha piperita L.) dried two different methods, air-dried (AD) freeze-dried (FD) measured. The aim was to determine if there any changes in according method. Material Method: order compounds capacity...

Melica uniflora is part of the omnivore and herbivore animal diets there not enough study about this plant. The aim to provide antimicrobial antioxidant potential ethanol extract M. leaves. Total phenolic flavonoid contents based on different methods activity leaves were examined. Disk diffusion method against eight bacteria strains, Folin-Ciocalteu method, DPPH free radical scavenging ferric r...

Kabupaten Brebes merupakan salah satu wilayah penghasil rumput laut di provinsi Jawa Tengah dengan luas tambak sebanyak 4.350 ha dari total sebesar 12.748 yang menghasilkan 200 ton kering per bulan. Rumput dapat digunakan sebagai sumber antioksidan karena mengandung senyawa bioaktif terutama untuk golongan fenolik, flavonoid dan alkaloid. Tujuan penelitian ini adalah mengkaji aktivitas fenolik ...

Objective: In traditional medicines, Imperata cylindrica (hereinafter referred to as I. cylindrica) roots are more frequently used than its leaves. The aim of this study was determine three parameters, namely the content total phenolic compounds, flavonoid content, and antioxidant activity leaves extracts. Then, root extract parameters were a comparison evaluate benefits herbal medicine.
 ...

pomegranate tree possesses a vast ethnomedical history and represents a phytochemical reservoir of heuristic medicinal value. in the present study, total phenolics, antioxidant, and antibacterial activities of pomegranate peel were determined by folin–ciocalteu, 2,2-diphenyl-1-picrylhydrazyl (dpph) and disk-diffusion methods, respectively, and compared among the accessions. methanolic extract g...

the antioxidant activities of methanol (me), ethanol (ee), water (we) and ethyl acetate (eae) extracts of four inula helenium l. taxa (i. helenium ssp. orygalis (boiss.) grierson, i. helenium ssp. pseudohelenium grierson, i. helenium ssp. turcarasemosa grierson and i. helenium ssp. vanensis grierson) were investigated. the phosphomolybdenum assay, β-carotene–linoleate bleaching and dpph radical...

Purpose: To evaluate the correlation between sun protection factor (SPF) and content of phenol flavonoid antioxidant activity.
 Methods: Different parts 9 medicinal plants were extracted with methanol using three extraction methods (percolation, Soxhlet ultrasonically assisted extraction) to obtain 42 crude extracts. Their contents, activities determined Folin-Ciocalteu reagent, aluminum c...

This study aimed to determine the antioxidant properties of sulfate monoesters ferulic, caffeic, dihydroferulic and dihydrocaffeic acids, main metabolites chlorogenic acids. These compounds are not commercially available, so they were synthesized in laboratory. The LC-MS/MS analysis allowed for full characterization these derivatives, which has made them reliable standards further research. Pur...