نتایج جستجو برای: Phenolic Compounds
تعداد نتایج: 238682 فیلتر نتایج به سال:
background scrophularia striata (scrophulariaceae family) is an herbaceous plant that is traditionally used for treatment of microbial infections. objectives antimicrobial and antioxidant activity of different extracts (methanolic, ethanolic, aqueous and ethyl acetate) from s. striata aerial parts was evaluated. materials and methods the antimicrobial activity of different extracts from s. stri...
objectives: leaves and flowers ofelaeagnus angustifolia contain phenolic and flavonoid compounds. these compounds have antioxidant properties that protect cells from oxidative damage. the aim of this study was to determine and analyze total phenolic and flavonoid content of leaves and flowers in two e. angustifolia variants using different solvents (ethanol and methanol). materials and methods:...
background there is an interest in finding new and safe antioxidants from natural sources such as medicinal plants. objectives the aim of this study was to evaluate the antioxidant activity of ten iranian medicinal plants extracts. materials and methods for antioxidant activity, the radical scavenging activity, reducing power and phenolic contents of ethanol plant extracts were determined. gall...
plants are rich source of phenolic compounds (phenolic acids, flavonoids and tannins) that are most important natural antioxidants. in the present study two ultrasonic methods including probe and bath were used for the extraction of phenolic and flavonoid compounds from celtis australis. the effects of different extraction time including 30, 60 and 90 min (bath method) and 5, 10 and 20 min (pro...
fats and oils are made of triglycerides. the fatty acids are the main constituents of triglycerides. there are minor components present in the oils and fats that are of great importance in human health, namely tocopherols and phenolic compounds that exhibit antioxidant activities. the concentrations of these compounds vary during ripening and maturation of olives. the object of the present stud...
objectives: consumption of fruits, such as plums and prunes, is useful in treating blood circulation disorder, measles, digestive disorder, and prevention of cancer, diabetes, and obesity. the paper presents a description of antioxidant and antiradical capacity of plum (prunus domestica l.) in both fresh and dried samples. materials and methods: samples were mixed with methanol and ethanol (as ...
dorema aucheri boiss. (apiaceae) is an endemic plant growing in iran. this plant is used as food and its extracts are recommended for the treatment of a wide range of diseases. to conduct this study, leaf, stem, and flower of d. aucheri were collected from near yasouje, iran. antioxidant and antimicrobialeffects of methanol extracts were measured. further, total phenolic,flavonoid, anthocyanin,...
this study investigated the fatty acids profile, oxidative stability indices, and bioactive compounds of virgin and processed olive oils (leccino and frantoio cultivars). results showed that fatty acid profile of the studied oils contained mostly oleic acid followed by palmitic and linoleic acid. acid values of virgin frantoio and processed leccino were 0.78 and 0.18 mg koh/g oil, with peroxide...
germination is one of the most effective processes to improve the quality of legumes. vitamins and some other compounds that might be considered beneficial as antioxidants, often change dramatically during the course of germination. antioxidants might be defined as compounds which are capable of preventing, delaying or retarding the development of rancidity or other flavor deterioration in food...
background & aim: strawberry (fragaria vesca l.) is a plant belonging to the rosaceae family with medicinal properties, including antioxidant activity. the present study aimed at investigating the antioxidant properties of strawberry. experimental method: to examine the antioxidant effect, fruit extracts at two phonological stages of growth (ripe and unripe strawberry) were prepared. in add...
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