Articles with "black tea" as a keyword



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Effect of rolling methods and storage on volatile constituents of Turkish black tea

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Published in 2017 at "Flavour and Fragrance Journal"

DOI: 10.1002/ffj.3385

Abstract: The leaves of harvested tea [Camellia sinensis (L.) O. Kuntze] can be processed into different products such as black tea, green tea and oolong tea. Black tea is the mostly consumed worldwide among these products.… read more here.

Keywords: storage; rolling methods; effect rolling; tea ... See more keywords

Differentiation of black tea according to country of origin using the μ‐CTE/TD/GC‐MS method combined with decision tree‐optimizable neural network analysis

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Published in 2025 at "Journal of the Science of Food and Agriculture"

DOI: 10.1002/jsfa.14288

Abstract: Accurate discrimination of the country of origin of teas is critical to determine their actual commercial value, to meet consumer preferences, and to ensure compliance with labeling regulations. Therefore, in this study, we developed a… read more here.

Keywords: country; tea according; according country; differentiation black ... See more keywords

Unraveling the dynamic metabolite changes during the rolling–cutting of CTC black tea at an industrial scale

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Published in 2025 at "Journal of the Science of Food and Agriculture"

DOI: 10.1002/jsfa.14406

Abstract: The rolling–cutting process (RCP) is a crucial process in crush–tear–curl (CTC) black tea, but its quality formation is far from clear. This study aims to elucidate the dynamics of sensory quality and metabolites through quantitative… read more here.

Keywords: ctc black; unraveling dynamic; rolling cutting; dynamic metabolite ... See more keywords

Geographical origin traceability of Keemun Black Tea based on its non-volatile composition combined with chemometrics.

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Published in 2019 at "Journal of the science of food and agriculture"

DOI: 10.1002/jsfa.9982

Abstract: BACKGROUND Non-volatile compounds play a key role in the quality and price of Keemun Black Tea (KBT). Normally, the non-volatile compounds in KBT samples from different producing areas vary greatly. The development of rapid methods… read more here.

Keywords: non volatile; based non; geographical origin; keemun black ... See more keywords

Year-to-year differentiation of black tea through spectroscopic and chemometric analysis

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Published in 2025 at "European Food Research and Technology"

DOI: 10.1007/s00217-024-04650-5

Abstract: The compositions of food products such as tea can vary significantly from one harvest year to another, primarily due to factors such as shifting climatic conditions, and plant periodicity. These fluctuations in composition can significantly… read more here.

Keywords: differentiation; spectroscopic; year; year year ... See more keywords

A combination of Citrus reticulata peel and black tea inhibits migration and invasion of liver cancer via PI3K/AKT and MMPs signaling pathway

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Published in 2019 at "Molecular Biology Reports"

DOI: 10.1007/s11033-019-05157-z

Abstract: Liver cancer, one of the most common malignancies, is the second leading cause of cancer death in the world. The citrus reticulate peel and black tea have been studied for their beneficial health effects. In… read more here.

Keywords: cancer; black tea; peel black; liver cancer ... See more keywords
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A predictive approach to the antioxidant capacity assessment of green and black tea infusions

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Published in 2020 at "Journal of Food Measurement and Characterization"

DOI: 10.1007/s11694-020-00727-3

Abstract: Contemporary consumers drink significant amounts of tea because of its health–benefits mainly associated to the presence of polyphenols with high antioxidant activity. Therefore, the information how to obtain tea infusion of the highest quality, i.e.… read more here.

Keywords: antioxidant capacity; green black; tea infusions; tea ... See more keywords

Evaluation and Optimization of a Superior Extraction Method for the Characterization of the Volatile Profile of Black Tea by HS-SPME/GC-MS

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Published in 2017 at "Food Analytical Methods"

DOI: 10.1007/s12161-016-0785-y

Abstract: A novel method, using combined temperatures in a single headspace solid-phase microextraction (HS-SPME) procedure, was proposed in this research to extract the volatile compounds when analyzing the volatile profile of black tea by GC-MS. Parameters… read more here.

Keywords: extraction; method; volatile compounds; tea ... See more keywords

Evaluation of Data Mining Strategies for Classification of Black Tea Based on Image-Based Features

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Published in 2017 at "Food Analytical Methods"

DOI: 10.1007/s12161-017-1075-z

Abstract: In this study, a new procedure based on computer vision was developed for qualitative classification of black tea. Images of 240 samples from four different classes of black tea, including Orange Pekoe (OP), Flowery Orange… read more here.

Keywords: image based; classification black; based features; tea ... See more keywords

Development of Spectrophotometric Quantification Method of Iron-Polyphenol Complex in Iron-Fortified Black Tea at Relevant pH Levels

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Published in 2018 at "Food Analytical Methods"

DOI: 10.1007/s12161-018-1147-8

Abstract: The formation of iron complexes with phenolic compounds in foods causes discoloration and reduces iron bioavailability. Black tea is a beverage of particular interest because of its high polyphenol content and widespread consumption. A simple… read more here.

Keywords: iron polyphenol; black tea; polyphenol complex; polyphenol ... See more keywords

Improving the quality of fermented black tea juice with oolong tea infusion

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Published in 2017 at "Journal of Food Science and Technology"

DOI: 10.1007/s13197-017-2849-4

Abstract: Fresh tea leaves were crushed into juice and then fermented (oxidation) to obtain fermented black tea juice, which can be used to prepare black tea beverage. The effects of addition of oolong tea infusion or… read more here.

Keywords: quality; tea juice; fermented black; tea ... See more keywords