Malignant tumor which can proliferate abnormally and transfer rapidly to other tissues, holds high mortality rate and is difficult to cure. Herewith it is responsible for great loss in economy. L-theanine, the specific amino acid in tea, performed a significant anti-tumor potential, it works via various methods, such as exert antitumor effect by itself; increase antitumor drugs concentration in...

Gyokuro is a style of Japanese green tea produced by employing agricultural shading in the weeks before harvest. This method results product with different organoleptic and chemical properties than common tea. In an effort to yield highest quality commercially valuable product, present study explores influence treatments duration on natural biochemistry plant. applied at light intensity conditi...

Background: L-theanine (L-THE), a natural amino acid found in green tea, has been shown to improve anxiety and sleep. Neumentix proprietary spearmint extract (PSE), which is commonly beverage flavoring pharmaceutical, also wide range of health benefits, including cognitive performance improvement.

EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Scientific Opinion on the substantiation of health claims related to L-theanine from Camellia sinensis (L.) Kuntze (tea) and improvement of cognitive function (ID 1104, 1222, 1600, 1601, 1707, 1935, 2004, 2005), alleviation of psychological stress (ID 1598, 1601), maintenance of normal sleep (ID 1222, 1737, 2004) and reduction of m...

As the population ages, neurodegenerative diseases such as Parkinson's disease (PD) and Alzheimer's disease (AD) impose a heavy burden on society and families. The pathogeneses of PD and AD are complex. There are no radical cures for the diseases, and existing therapeutic agents for PD and AD have diverse side effects. Tea contains many bioactive components such as polyphenols, theanine, caffei...

Tea has historically been associated with mood and performance benefits, such as relaxation and concentration. This review summarizes the research on the acute effects of tea, and its ingredients theanine and caffeine, on attention and mood. Consistent with abundant research on the benefits of caffeine, the performance benefits of tea were identified in a number of studies, with particularly co...

Caffeine, one of the main components in green tea, can interfere with sleep and block the effect of theanine. Since theanine, the main amino acid in tea leaves, has significant anti-stress effects in animals and humans, we examined the effects of green tea with lowered caffeine content, i.e., low-caffeine green tea (LCGT), on stress and quality of sleep of middle-aged individuals (n = 20, mean ...