نتایج جستجو برای: the total phenolic
تعداد نتایج: 16113475 فیلتر نتایج به سال:
Three native Turkish medicinal and aromatic plants (Artemisia absinthum, Artemisia santonicum and Saponaria officinalis) were investigated to analyze their antioxidant activity, total phenolic content and antimicrobial activity. Their total antioxidant activity was determined by using a β-carotene bleaching assay and their antimicrobial activity was determined by utilizing an agar disc diffusio...
The grape berries of two varieties, Yan73 (Vitis vinifera L.) and Cabernet Sauvignon (CS) (Vitis vinifera L.) were treated with 0.40 mg/L 24-epibrassinolide (EBR), 1.00 mg/L brassinazole (Brz), and deionized water (control), at the veraison period. The EBR treatment significantly increased total phenolic content (TPC), total tannin content (TTC) and total anthocyanin content (TAC) of Yan73 and ...
Introduction: Wastewaters resulting from seasonal processing such as pistachio processing industry are one of the most important factors of environmental pollution. High concentration of pollutants are the qualitative characteristics of wastewaters that due high consumption of water and energy resources as well as high levels production of waste have a good potential to realization of projects ...
Abstract The phenolic compounds contain antioxidant properties that can be effective in the treatment of some chronic and malignant diseases. The aim of this study was to determine optimal conditions for extraction of total phenolic compounds from Sargassum sp. and Sea lettuce (Ulva sp.) in Chabahar coastal waters. The extracts of these two algae were extracted by ultrasonic method and then th...
Thirty-seven China wines, produced from different geographical origins, were examined in this study. The antioxidant activity of wines was measured by different analytical methods: oxygen radical absorbance capacity (ORAC), reducing power, 2,2-azino-di-(3-ethylbenzothialozine-sulphonic acid) (ABTS), 2,2diphenyl-1-picrylhydrazyl (DPPH ), hydroxyl radical-scavenger activity, superoxide radical-sc...
background & aim:extracts of roselle calyx, possess compounds which could be considered as a great source of natural antioxidants. in this project, antioxidant activities, phenolic compounds content and their correlation analysis on calices of roselle (hibiscus sabdariffa) was investigated. experimental: total polyphenolic compound, flavonoids and anthocyanins were determined spectrophot...
Three native Turkish medicinal and aromatic plants (Artemisia absinthum, Artemisia santonicum and Saponaria officinalis) were investigated to analyze their antioxidant activity, total phenolic content and antimicrobial activity. Their total antioxidant activity was determined by using a β-carotene bleaching assay and their antimicrobial activity was determined by utilizing an agar disc diffusio...
Background and Objective: Crataegus elbursensis is one of the important species of Rosaceae family and commonly found in the North of Iran. In this study, the antioxidant, antibacterial properties, total phenolic, flavonoid and anthocyanin contents in acetonic extract of Iranian Hawthorn (Crataegus elbursensis) fruits were examined. Materials and Methods: Extraction of fruit bioactive c...
The word polyphenol is that chemical substance having more than one phenol group. Polyphenols represent a variety of compounds plant origin. have potential use in the human body. They act as antioxidants preventing oxidation other molecules by formation free radicals Most polyphenols properties reducing agents. protect cell constituents against oxidative damage. Therefore reduce risk various de...
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