Antioxidant and antibacterial properties of green, black, and herbal teas of Camellia sinensis
نویسندگان
چکیده
منابع مشابه
Determination of phenolic compounds and antioxidant activity of green, black and white teas of Camellia sinensis (L.) Kuntze, Theaceae
Green, black and white teas are all produced from leaves and shoots of Camellia sinensis, the only difference is how they are processed. The aim of this study was to compare the total phenols and flavonoid contents and antioxidant capacity of green, black and white tea bags of different brands. The morphodiagnosis of leaves was used to identification of plant material. HPLC-DAD fingerprinting c...
متن کاملinhibitory effects of black tea (camellia sinensis) extracts on streptococcus pyogenes: a comparison between black and green teas in vitro
background and objective: although there are reports in the literature on the antimicrobial effects of green tea, the effect of black tea, the most common beverage in iran, on growth of bacteria, such as streptococcus pyogenes, has not been studied extensively. this study was undertaken to determine the inhibitory effect of black tea on the growth of streptococcus pyogenes in vitro and compare ...
متن کاملsome properties of fuzzy hilbert spaces and norm of operators
in this thesis, at first we investigate the bounded inverse theorem on fuzzy normed linear spaces and study the set of all compact operators on these spaces. then we introduce the notions of fuzzy boundedness and investigate a new norm operators and the relationship between continuity and boundedness. and, we show that the space of all fuzzy bounded operators is complete. finally, we define...
15 صفحه اولarchitecture and engineering of nanoscale sculptured thin films and determination of their properties
چکیده ندارد.
15 صفحه اولEffect of different brewing times on antioxidant activity and polyphenol content of loosely packed and bagged black teas (Camellia sinensisL.)
Objective: Determination and comparison of the effect of infusion time on the antioxidant activity and total polyphenol contents of bagged and loosely packed black teas. Materials and Methods: For twenty loosely packed and eleven bagged tea samples, the antioxidant activity and total polyphenol content were analyzed using FRAP and Folin-Ciocalteau methods, respectively. The ANOVA with Tukey pos...
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ژورنال
عنوان ژورنال: Pharmacognosy Research
سال: 2011
ISSN: 0974-8490
DOI: 10.4103/0974-8490.89748