نتایج جستجو برای: total phenolic compounds

تعداد نتایج: 1016097  

2017
Disna Kumari Terrence Madhujith Anoma Chandrasekara

Soluble and bound phenolic compounds were extracted from different varieties of millet types namely, finger millet, foxtail, and proso millet cultivated at dry and intermediate climatic zones in Sri Lanka. The extracts were examined for their total phenolic content (TPC), total flavonoid content (TFC), and proanthocyanidin content (PC). The antioxidant activities were meassured by reducing powe...

2014
Chloe D. Goldsmith Quan V. Vuong Costas E. Stathopoulos Paul D. Roach Christopher J. Scarlett Maria G. Miguel João Rocha

Olive leaves are an agricultural waste of the olive-oil industry representing up to 10% of the dry weight arriving at olive mills. Disposal of this waste adds additional expense to farmers. Olive leaves have been shown to have a high concentration of phenolic compounds. In an attempt to utilize this waste product for phenolic compounds, we optimized their extraction using water-a "green" extrac...

Journal: :Food chemistry 2015
Violeta Ivanova-Petropulos Arianna Ricci Dusko Nedelkovski Violeta Dimovska Giuseppina P Parpinello Andrea Versari

Phenolic composition of twenty-two Macedonian red wines, including ten autochthonous monovarietal Vranec wines produced with different yeasts for fermentation, and twelve wines from international varieties (Syrah, Merlot and Cabernet Sauvignon) from different wine regions was studied. All wines presented relatively high value of total phenols and antioxidant activity. A total of 19 phenolic com...

Journal: :avicenna journal of phytomedicine 0
amin morabbi najafabad department of biology, faculty of science, urmia university, urmia, i. r. iran rashid jamei department of biology, faculty of science, urmia university, urmia, i. r. iran

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 ...

Journal: :journal of agricultural science and technology 2015
m. mianabadi m. hoshani s. salmanian

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,...

Journal: :journal of agricultural science and technology 2015
v. najafi m. barzegar m. a. sahari

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...

Journal: :the iranian journal of pharmaceutical research 0
babak ghiassi tarzi college of food science and technology, science and research branch, islamic azad university, tehran, iran. maryam gharachorloo college of food science and technology, science and research branch, islamic azad university, tehran, iran. marzieh baharinia student of food science and technology, science and research branch, islamic azad university, tehran, iran. seyed alireza mortazavi pharmaceutical department, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran.

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...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2013
gita amini saeed irian ahmad majd sedigheh mehrabian

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...

2011
Dejan Prvulović Djordje Malenčić Milan Popović Mirjana Ljubojević Vladislav Ognjanov

Sweet cherries (Prunus avium L.) contain various phenolic compounds which contribute to total antioxidant activity. Total polyphenols, tannins, flavonoids and anthocyanins, and antioxidant capacity in a fruits of a number of selected sweet cherry genotypes were investigated. Total polyphenols content ranged from 4.12 to 8.34 mg gallic acid equivantents/g dry fruit weight and total tannins conte...

Journal: :Journal of agricultural and food chemistry 2003
Yonghua Zheng Chien Y Wang Shiow Y Wang Wei Zheng

The influence of high oxygen concentrations on total phenolic, total anthocyanin, individual phenolic compounds, and antioxidant capacity (measured as oxygen radical absorbance capacity, ORAC) in highbush blueberry fruit (Vaccinium corymbosum L. cv. Duke) was investigated. Freshly harvested blueberries were placed in jars ventilated continuously with air or with 40, 60, 80, or 100% O(2) at 5 de...

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