science - masterstalk.online

In the USA, caffeine consumption among active duty US Air Force personnel has been studied. The following facts have been revealed. The proportion of people consuming caffeinated beverages in the…

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Phytosterols and Fatty Acids in Camellias

November 21, 2019

Chinese scientists studied the sterol composition and the content of fatty acids in the oils obtained from the seeds of plants belonging to three different sections of the Camellia genus:…

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A tricky system for recognizing the astringency of tea

March 30, 2019

Taiwanese experts took the challenge of creating a technique that allows to recognize the taste characteristics of tea without the participation of tea tasters. The prerequisites for such work are…

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Radical scavenging activity of Yabukita and Benifuuki

March 11, 2019

German researchers have tested the ability of green teas made from Yabukita and Benifuuki cultivars to protect skin cells from the effects of free radicals. 32 people took part in…

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Wellness and Mood

Antioxidant properties of green tea aroma

January 28, 2019

During twenty weeks Japanese specialists were sprinkling with green tea ethanol solution the bedding in the cages for 9-week-old female mice. The bedding was soaked with the tea solution, and…

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Tea and alcohol as components of the health-improving Dutch diet

January 14, 2019

Dutch specialists have developed a diet that, in their opinion, should reduce the risk of developing a number of chronic diseases in adults. And tested it on almost ten thousand…

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Polyphenols

The most secret polyphenol knowledge

December 23, 2018

One English professor wrote a remarkable article in which he described the specificity of polyphenols as components of a diet. Among other interesting topics, the author of the article explains…

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Tea Compounds

Alkenes, alkanes and other compounds in dark teas

December 23, 2018

Chinese scientists have compared the composition of aromatic volatiles forming the flavors of Chinese post-fermented teas — pu-erh, liubao, Ya’an Tibetan tea, jingweifu, fu zhuan and quingzhuan. And the aromas…

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Polyphenols

Identification of epigallocatechin-3-O-methyl-gallate in a Korean tea cultivar

December 17, 2018

Epigallocatechin-3-O-methyl-gallate (or methylated catechin) is not as widely known as other catechins — components of tea. And this is not due to the fact that its name is more complicated.…

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Growing and Harvesting

Green tea leafhoppers are still at large and uncontrolled

December 11, 2018

Specialists from Hangzhou Tea Research Institute, Chinese Academy of Agricultural Science, are working on the creation of attractants for green tea leafhoppers, which are well-known as tea pests, but at…

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