Results 21 to 30 of about 577,492 (298)

Investigation on the Quality of Commercially Available GABA Tea in Taiwan

open access: yesStandards, 2023
This study collected 220 commercially available samples of γ-Aminobutyric acid (GABA) tea produced in Taiwan from 2016 to 2021. The 220 tea samples were categorized into five types of GABA tea, including 108 GABA Oolong tea, 71 GABA Black tea, 21 GABA ...
Mu-Chen Wu   +4 more
doaj   +1 more source

CATECHIC TANNIN CONTENT OF DIFFERENT TEA SAMPLES

open access: yesSabiad, 2022
Objective: Camellia sinensis (tea) which is a member of the Theaceae family can be found in many tropical and subtropical areas with diverse cultural forms.
Gülbahar Özge Alim Toraman, Nur Tan
doaj   +1 more source

Influence of preparation procedures on the phenolic content, antioxidant and antidiabetic activities of green and black teas [PDF]

open access: yes, 2019
The influence of common tea preparation procedures (temperature, infusion time, consumption time interval and tea bag/loose-leaf) and the type of water used, on the total phenolic content (TPC), the radical scavenging activity and the alpha-glucosidase ...
Almeida, Tânia Santos de   +6 more
core   +3 more sources

Hypoglycemic effects of black brick tea with fungal growth in hyperglycemic mice model

open access: yesFood Science and Human Wellness, 2022
Dark tea (containing Eurotium cristatum) and black tea have hypoglycemic effects. The black brick tea with fungal growth is obtained from black tea by adding E. cristatum, followed by steaming, pressing, fungal growth, and drying.
Wei Xu   +7 more
doaj   +1 more source

Green and black tea for the primary prevention of cardiovascular disease [PDF]

open access: yes, 2013
Background: There is increasing evidence that both green and black tea are beneficial for cardiovascular disease (CVD) prevention. Objectives: To determine the effects of green and black tea on the primary prevention of CVD.
Clarke, Aileen   +6 more
core   +2 more sources

Multi-Metabolomics Coupled with Quantitative Descriptive Analysis Revealed Key Alterations in Phytochemical Composition and Sensory Qualities of Decaffeinated Green and Black Tea from the Same Fresh Leaves

open access: yesFoods, 2022
The supercritical CO2-based decaffeination (SCD) method can be used to prepare decaffeinated tea, but its overall effect on the phytochemicals, volatiles, and sensory qualities of green and black teas is still unclear, and its suitability to prepare ...
Jie Wang   +8 more
doaj   +1 more source

Arrhythmogenic Risk Assessment Following Four-Week Pretreatment With Nicotine and Black Tea in Rat [PDF]

open access: yes, 2015
Background: There is the controversy concerning the main component of tobacco, which is responsible for its arrhythmogenesis. In addition, there is the lack of adequate information about the influence of combination of black tea and nicotine on heart ...
Ghasemipoor Afshar, Elham   +4 more
core   +1 more source

Effect of Exogenous Addition of Tea or Pear Juice on the Quality of Meizhan Black Tea

open access: yesShipin gongye ke-ji, 2023
In order to explore the effect of exogenous addition of tea or pear juice on the quality of Meizhan Gongfu black tea, fresh leaves of Meizhan cultivars were used as raw material to process Gongfu black tea. During the process, tea juice or pear juice was
Anxia LU   +6 more
doaj   +1 more source

Hot-Air Drying Significantly Improves the Quality and Functional Activity of Orange Black Tea Compared with Traditional Sunlight Drying

open access: yesFoods, 2023
The quality of traditional sunlight-dried orange black tea can be affected by weather variations, leading to its quality instability. This study investigated the feasibility of replacing sunlight drying with a new hot-air drying method in orange black ...
Zhi Yan   +7 more
doaj   +1 more source

Uses of Black tea [PDF]

open access: yesProceedings of MOL2NET 2017, International Conference on Multidisciplinary Sciences, 3rd edition, 2017
INTRODUCTIONAccording to popular Chinese legend, the discovery of the tea attributed to the Chinese emperor Shen Nung occurred by chance when the leaves of a certain plant were deposited on a glass of boiling water. Tea is a traditional infusion made from the leaves of the Camellia sinensis plant, however, black tea is obtained by the fermentation of ...
Maria Auxiliadora Dea-Ayuela, Ana Albert
openaire   +1 more source

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