نتایج جستجو برای: total phenolic compounds and antioxidant activity

تعداد نتایج: 17036370  

E. Afrasiabi M. Honarvar, M. Mizani

Chocolate milk is a popular tasteful dairy product and sugar is one of the main participants inits formulation. Massecuit III is a type of brown sugar consisting of phenolic compounds and other componentsthat might exhibit antioxidant activity and could improve and affect the nutritional properties of the food. Theaim of the present study is to replace some or all of the white sugar used in the...

F. Jamshidi kia K. Saeidi Z. Lorigooini*

Background and objectives: The Mullein genus is the largest genus of Scrophulariaceae family which has extensive natural habitat in southwest of Iran. Mullein contains compounds such as phenolic compounds, mucilage, saponins and anthocyanin. The aim of this study was to evaluate the total flavonoid content and antioxidant activity of mullein ecotypes in Iran. Methods: <...

Journal: :research in pharmaceutical sciences 0
sh dehshahri m wink s afsharypuor g asghari a mohagheghzadeh

natural antioxidants have an important role in the prevention of many age-related diseases and promotion of health. among natural antioxidants from plants, flavonoids and other phenolic compounds are potent antioxidants and chelating agents. moringa peregrina (forssk.) fiori (moringaceae) is a small desert tree distributed from tropical africa to east india. moringa tree is also growing in sout...

Mahnaz Choupani, Mehran Alami Saeedeh Arabshahi-Delouee

Lemon verbena (Lippia citriodora) belongs tothe Verbenaceae (shahpasand) family. L.citriodora is chemical  composition of the leaves plant have antimicrobial properties, refrigerant, anti-headaches one-sided, anti- pains nerve and housing, carminative, helping to digestion, relaxation, dizziness, colds therapy,  memory Booster and etc.  In this study, phenolic compounds of <em...

2014
Dongxiao Su Ruifen Zhang Fangli Hou Mingwei Zhang Jinxin Guo Fei Huang Yuanyuan Deng Zhencheng Wei

BACKGROUND The phenolic contents and antioxidant activities of fruits could be underestimated if the bound phenolic compounds are not considered. In the present study, the extraction efficiencies of various solvents were investigated in terms of the total content of the free and bound phenolic compounds, as well as the phenolic profiles and antioxidant activities of the extracts. METHODS Five...

Journal: :jundishapur journal of microbiology 0
reza sharafati chaleshtori department of food hygiene, faculty of specialized veterinary sciences, science and research branch, islamic azad university, tehran, ir iran; department of food hygiene, faculty of specialized veterinary sciences, science and research branch, islamic azad university, tehran, ir iran. tel: +98-3812243085, fax: +98-3813334911 noordahr rokni faculty of veterinary medicine, tehran university of medical sciences, tehran, ir iran vadood razavilar department of food hygiene, science and research branch, islamic azad university, tehran, ir iran mahmoud rafieian kopaei medical plants research center, shahre-kord university of medical sciences, shahre-kord, ir iran

background food born pathogenic bacteria are the most important agents of infections in humans, and food spoilage also results in economic losses in food industry. objectives the aim of this study was the evaluation of chemical components, total phenolic content, antioxidant and antibacterial activities of artemisia dracunculus essential oil. materials and methods the essential oil of tarragon ...

2015
Christophe Gonçalves Raquel P. F. Guiné Daniela Teixeira Fernando J. Gonçalves

Blueberries are widely valued for their high content in phenolic compounds with antioxidant activity, and hence beneficial for the human health. In this way, a study was done to determine the phenolic composition (total phenols, anthocyanins and tannins) and antioxidant activity of blueberries from three cultivars (Duke, Bluecrop, and Ozarkblue) grown in two different Portuguese farms. Initiall...

Journal: :iranian red crescent medical journal 0
iraj salimikia department of pharmacognosy, faculty of pharmacy, lorestan university of medical sciences, khorramabad, ir iran hamid reza monsef-esfahani medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran ahmad reza gohari medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran; medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran. tel/fax: +98-2164122330 mehrnoosh salek department of pharmacognosy, faculty of pharmacy, lorestan university of medical sciences, khorramabad, ir iran

objectives this study was designed to determine the chemical composition, in vitro antioxidant activity, and total phenol content of various extracts of s. chloroleuca. materials and methods dried aerial parts of the plant were crushed, then sequentially extracted with n-hexane, ethyl acetate, and methanol. the fractions of s. chloroleuca were subjected to silica gel column chromatography and s...

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: :فصلنامه علمی پژوهشی گیاهان دارویی 0
n sadati department of pharmacognosy and medicinal plants research center, faculty of pharmacy, tehran university of medical sciences m khanavi department of pharmacognosy and medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran tel: +98 – 21 – 66954706, fax: +98 – 21 – 66461178 a mahrokh department of pharmacognosy and medicinal plants research center, faculty of pharmacy, tehran university of medical sciences smb nabavi khorramshahr university of marine science and technology j sohrabipour agriculture and natural resource research center of hormozgan. bandar abbas, 79145 - 1577 a hadjiakhoondi department of pharmacognosy and medicinal plants research center, faculty of pharmacy, tehran university of medical sciences

background: marine algae, especially brown species, produce a wide range of metabolites with various biological activities. objective: since marine algae are rich source of dietary fibers, minerals, proteins, vitamins and phenolic components with antioxidant effect, in addition to the rule of oxidative stress in pathogenesis of chronic diseases, the aim of this study was to investigate possible...

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