Results 11 to 20 of about 13,244 (214)

Comparative study of the volatile fingerprints of roasted and unroasted oolong tea by sensory profiling and HS-SPME-GC-MS [PDF]

open access: yesCurrent Research in Food Science, 2023
Roasting plays important roles in shaping the volatile profile of oolong tea. In this study, the sensory attributes and volatile compositions of 153 roasted or unroasted oolong tea samples, belonging to four typical types, namely, High Mountain oolong ...
Daoliang Wang   +8 more
doaj   +2 more sources

Exploring the taste code of light-withered tea: the mechanism of nonvolatile metabolite changes in LED light-withered oolong tea (Camellia sinensis) [PDF]

open access: yesFood Chemistry: X
Rainy weather hinders normal sunlight withering of oolong tea, which prevents the development of its high-quality characteristics. This study used representative oolong tea varieties (“Shuixian,” “Ruixiang,” and “Chunlan”) and applied multi-wavelength ...
Qiuming Li   +8 more
doaj   +2 more sources

Prebiotics Properties of Oolong Tea [PDF]

open access: yesJournal of Food and Agricultural Product
Oolong tea is a semi-fermented tea derived from Camellia sinensis leaves. Oolong tea contains high polyphenol compounds that act as antioxidants and prebiotics. However, studies related to the prebiotic properties of oolong tea are still limited.
null Alfi Nur Rochmah   +3 more
openaire   +3 more sources

Metabolite Profiling Reveals the Dynamic Changes in Non-Volatiles and Volatiles during the Enzymatic-Catalyzed Processing of Aijiao Oolong Tea [PDF]

open access: yesPlants
The enzymatic reaction stage (ECS) of oolong tea processing plays an important role in the formation of the flavor quality of the oolong tea. To investigate the dynamic changes in the volatile and non-volatile components in the leaves of oolong tea ...
Mengcong Zhang   +7 more
doaj   +2 more sources

Tea Polyphenols Enhance Embryonic Development and Mitigate DMSO‐Induced Toxicity in Drosophila

open access: yeseFood
Tea polyphenols (TPs), potent antioxidants found in tea, offer cellular protection and health benefits. Dimethyl sulfoxide (DMSO), a widely used organic solvent in medicine, remains controversial due to its potential embryonic toxicity.
Quanyong Wu   +5 more
doaj   +2 more sources

The Impact of Harvesting Mechanization on Oolong Tea Quality. [PDF]

open access: yesPlants (Basel)
Mechanization is the inevitable future of tea harvesting, but its impact on tea chemistry and quality remains uncertain. Our study examines untargeted metabolomic data from 185 oolong tea products (Tieguanyin) made from leaves harvested by hand or machine based on UPLC-QToF-MS analysis.
Zhou J   +5 more
europepmc   +4 more sources

Distinguishing Different Varieties of Oolong Tea by Fluorescence Hyperspectral Technology Combined with Chemometrics [PDF]

open access: yesFoods, 2022
Oolong tea is a semi-fermented tea that is popular among people. This study aims to establish a classification method for oolong tea based on fluorescence hyperspectral technology(FHSI) combined with chemometrics.
Yan Hu   +5 more
doaj   +2 more sources

Chinese and Korean Consumers’ Preferences for Oolong and Black Oolong Teas

open access: yesFoods
Both China and Korea have significant markets for tea; however, both the availability and preference for oolong and black oolong tea vary across the two markets.
Baihan Su, Jeehyun Lee
doaj   +3 more sources

Quality Analysis of a New Tea Line '606' Oolong Tea in Different Seasons

open access: yesShipin gongye ke-ji, 2023
In order to better understand the impact of the different seasons on the characteristic of oolong tea '606', ultra-high performance liquid chromatography triple quadrupole tandem mass spectrometry (UPLC-QqQ MS) targeted metabonomics, headspace solid ...
Huiqing HUANG   +8 more
doaj   +1 more source

Production, Composition, and Health Effects of Oolong Tea

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2014
Tea, one of the most widely consumed beverages in the world, is produced from the leaves of the plant Camellia sinensis L.. Tea has important physiological properties and potential health benefits due to the presence of compounds such as polyphenols ...
İlkay Koca, Şeyda Bostancı
doaj   +2 more sources

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