Evaluation of antioxidant activity of green tea extract and its effect on the biscuits lipid fraction oxidative stability – PubMed

This article investigates the effect of green tea extract (GTE) on biscuits lipid fraction oxidative stability. The antioxidant activity of GTE was compared with commonly used synthetic antioxidant butylated hydroxyanisole (BHA). Biscuits were

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Determination of Antioxidant Activity in Tea Extracts, and Their Total Antioxidant Content – NWPII

antioxidant activity of black tea or oolong tea [18, 22-25]. However, it was determined that the theaflavins in black tea and catechins in green tea are equally effective antioxidants [26, 27]. The antioxidant activity of certain types of tea, i

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Evaluation of green tea extract as a safe personal hygiene against viral infections – PubMed

The green tea catechins, in particular, epigallocatechin-3-gallate (EGCG), are known to exert potent antiviral activity. In this study, we evaluated the green tea extract as a safe personal hygiene against viral infections.

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Colon Bioaccessibility and Antioxidant Activity of White, Green and Black Tea Polyphenols Extract after In Vitro Simulated Gastrointestinal Digestion

The purpose of the present study was the evaluation of colon bioaccessibility and antioxidant activity of tea polyphenolic extract. An 80% methanolic extract (v/v) of tea polyphenols was obtained from green (GT), white (WT) and black tea (BT).

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Evaluation of antioxidant activity of aqueous extract of some selected nutraceutical herbs – ScienceDirect

1/1/2007 · Evaluation of antioxidant activity of rosemary extracts, carnosol and carnosic acid in bulk vegetable oils and fish oil and their emulsions Journal of the Science of Food and Agriculture , 72 ( 1996 ) , pp. 201 – 208

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Green tea extract supplementation gives protection against exercise-induced oxidative damage in healthy men – PubMed

The purpose of this study was to evaluate the effects of a long-term (4-week) green tea extract (GTE) supplementation in combination with strength training on selected blood markers of oxidative stress and muscular damage after a short-term

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Effect of steeping temperature on antioxidant and inhibitory activities of green tea extracts against α-amylase, α-glucosidase and intestinal

1/11/2017 · Due to differences in manufacturing, tea is generally classified into three types: non-fermented tea (green tea), partially fermented tea (oolong tea), and fully fermented tea (black tea). Green tea contains a large amount of polyphenol, which

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Antioxidant Effects of Tea: Evidence from Human Clinical Trials | The Journal of Nutrition | Oxford Academic

The biological antioxidant properties of green tea extract have been demonstrated in 20 subjects consuming a controlled high linoleic acid diet combined with a tea or placebo supplement. The consumption of green tea extract for 4 wk significantl

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Evaluation of the in vitro α‐glucosidase inhibitory activity of green tea polyphenols and different tea types – Yang – 2016 – Journal of the

24/2/2015 · Green tea, black tea and oolong tea also had dose‐dependent inhibitory potential with IC 50 values of 2.82, 2.25 and 1.38 µg mL −1 (µg polyphenol mL −1), respectively. The study also showed that the content of unprecipitated TPs changed during

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Measurement of antioxidant activity – ScienceDirect

1/10/2015 · An appropriate measure of end point is essential for assessing antioxidant activity. Analytical strategies for end point determination include measurement at a fixed time point, measurement of reaction rate, lag phase measurement, and integrated

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Evaluation of the antioxidant capacity and total polyphenols in different fruit teas | Request PDF

Abstract Anti-lipase and antioxidant activities of 5 types of tea produced by Ltd “Geoplant”, Georgia, were studied. Traditional Green and Jasmine Blossom revealed the highest antioxidant

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Antioxidant Activity in the Extracts of Two Edible Aroids

Maximum antioxidant activity was observed in diethyl ether extracts for both species. The IC 50 values were comparable with those of quercetine and ascorbic acid as standards. These results suggest that the two aroid species have antioxidant act

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Evaluation of free radical scavenging and antityrosinase activities of standardized longan fruit extract

For scavenging activity of DPPH and superoxide radicals, longan seed extract was found to be as effective as Japanese green tea extract while dried longan pulp and mulberry green tea extracts showed the least scavenging activities. In the ORAC

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A predictive approach to the antioxidant capacity assessment of green and black tea infusions | SpringerLink

13/11/2020 · The effect of temperature and time on TPC and the antioxidant activity of teas was previously reported by others [4, 29,30,31]. Moreover, TPC and the antioxidant activity of black tea was significantly lower than in green tea at each temperature

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Evaluation of phenolic constituents and antioxidant activity of aqueous extracts of Kangra tea [Camellia sinensis (L) O Kuntze]

Consumption of green tea (Camellia sinensis) may provide protection against chronic diseases, including cancer. Richa Thakur, Rajni Devi and Dr. RG Sud. Evaluation of phenolic constituents and antioxidant activity of aqueous extracts of Kangra t

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Antioxidant activity of white, green and black tea obtained from the same tea cultivar – ScienceDirect

1/10/2013 · Generally, antioxidant activity decreases in the order: green tea > oolong tea > black tea (Richelle et al., 2001, Roginsky et al., 2003, von Gadow et al., 1997) although some studies show that black teas are better than green ones (Hoff

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Synergistic, antagonistic and additive interactions of green tea polyphenols | SpringerLink

26/8/2015 · Green tea is a natural source of polyphenols where their catechins and flavonols are the major components. Their antioxidant activities are the most important biological effect and often the object of study. DPPH (2,2-diphenyl-1-picryl-hydrazyl)

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Evaluation of Antidiabetic and Antioxidant Properties of Brucea javanica Seed

Abstract The ethanol extract of B. javanica seed was fractionated with solvents of different polarities and tested for antioxidant activities by several assays including DPPH radical scavenging activity, ferric reducing antioxidant power (FRAP),

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EVALUATION OF ANTIOXIDANT AND ANTIBACTERIAL ACTIVITIES OF DIFFERENT BANGLADESHI SPICES (TURMERIC, GARLIC AND GINGER) – ResearchGate

Water extracts of Green tea leaf at boiling and room temperature showed 17.5 mm and 19 mm zone of inhibitions against (P < 0.05) in total phenolic content and antioxidant activity for kesum

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Synergistic effect of herbal plant extract ( Hibiscus sabdariffa ) in maintain the antioxidant activity of decaffeinated green tea from various

30/7/2019 · In the present study, two extraction methods, hot water extraction and ethyl acetate extraction were used to decaffeinate fresh green tea leaf (Camellia assamica) collected from four parts of Assam, NE-India. Both type of extraction methods have

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Protective effect of green tea extract against the erythrocytic oxidative stress injury during Mycobacterium tuberculosis infection in mice

The present study has been undertaken to monitor the extent of oxidative stress in mice infected with M. tuberculosis and the role of crude green tea extract in repairing the oxidative damage. The mice were divided into three groups of 9 each;

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Effects of medium-term green tea extract supplementation combined with CrossFit workout on blood antioxidant status and serum brain-derived

21/3/2019 · The antioxidant activity of green tea extract is due to its relatively high content of polyphenolic compounds, including catechins. Our analysis confirmed the reliability of the amount of polyphenols declared by the manufacturer of the green tea

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Effects of alternative steeping methods on composition, antioxidant property and colour of green, black and oolong tea infusions | SpringerLink

29/7/2015 · Cold water steeping is reported to maximise tea health benefits, but requires long infusion time. In this work, the employment of a brief hot infusion step followed by ice addition was evaluated. The comparison of this innovative method with hot

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The effect of tea fermentation on rosmarinic acid and antioxidant properties using selected in vitro sprout culture of Orthosiphon aristatus as a

16/4/2013 · Satoh E, Tohyama N, Nishimura M: Comparison of the antioxidant activity of roasted tea with green, oolong, and black teas. Int J Food Sci Nutr 2005, 56(8):551-559. 10.1080/09637480500398835 Article Google Scholar Shevchenko Y, Smetanska.

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Antioxidant Activity of Basil – Purdue University

Phenolic content and antioxidant activity of basil, oregano, and tea. Antioxidant activity Phenolics Cultivar (GAz/g DW) µmol Trolox/g DW µmol AA/g DW Basil Cinnamon 35.6 g y 199 g 282 gh Dark Opal 126.2 a 547 bc 726 a Holy 51.1 f 297 fg 420 efg

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Effect of green tea (Camellia sinensis) extract and pre-freezing equilibration time on the post-thawing quality of ram semen cryopreserved in a

1/12/2016 · Green tea extract only affects markers of oxidative status postprandially: lasting antioxidant effect of flavonoid-free diet Br. J. Nutr. , 87 ( 2002 ) , pp. 343 – 355 View Record in Scopus Google Scholar

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Antioxidant Activities of Crude Extract and Chromatographic Fraction from Hsian-Tsao (Mesona Procumbens Hemsl.) | Scientific.Net

[12] J. Xi, D.J. Shen and R. Zhang, Comparison of in vitro antioxidant activities and bioactive components of green tea extracts by different extraction methods, Int. J. Pharm., 408 (2011) 97-101. DOI: 10.1016/j

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Phytochemicals and Quality of Green and Black Teas from Different Clones of Tea Plant – Hindawi

28/7/2020 · Abstract Tea is a popular drink with refreshing and functional properties. Bud, 1 st leaf, and 2 nd leaf of five varieties of tea clones (Gumti Takda-78, Ambari, Chiniya, and Tinali, which are popular in tea plantation area of Nepal) were

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Evaluation of the Antioxidant Capacities and Cytotoxic Effects of Ten Parmeliaceae Lichen Species – Hindawi

Abstract Parmeliaceae represents the largest and widespread family of lichens and includes species that attract much interest regarding pharmacological activities, due to their production of unique secondary metabolites. The current work aimed

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Potential Interaction of Green Tea Extract with Hydrochlorothiazide on Diuretic Activity in Rats – Hindawi

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