History of Shizuoka Tea and Caffeine Industry

Extraction and isolation of Caffeine from tea leaves

General background and overview of the experiment: Humankind has historically used advantageous compounds derived from plants and animals. For instance, various extracts from plants have been used as teas, potions, medicines and poisons. Though these extracts can contain a mixture of many different chemicals, often only one or few are responsible for the activity of the extract. For decades suc...

The Tea Tree Genome Provides Insights into Tea Flavor and Independent Evolution of Caffeine Biosynthesis.

Tea is the world's oldest and most popular caffeine-containing beverage with immense economic, medicinal, and cultural importance. Here, we present the first high-quality nucleotide sequence of the repeat-rich (80.9%), 3.02-Gb genome of the cultivated tea tree Camellia sinensis. We show that an extraordinarily large genome size of tea tree is resulted from the slow, steady, and long-term amplif...

Photoluminescence quantitative analysis of Gallic acid and Caffeine in green tea using multi-way chemometric approaches

Green tea is considered as a dietary source of antioxidant nutrients, which acts upon human health. Green tea leaves contain three main components in the form of simple hydroxy benzoic acids such as gallic acid, propyl gallate and xanthic bases (caffeine), have been reported to prevent or delay a number of degenerative diseases and act mainly upon the central nervous system and stimulating wake...

Impact of Continuous Training of Occupied Manpower in Tea Cultivation and Industry on Quality of Produced Tea

Due to lack of using pesticides in production of green leaf, Iran’s produced tea is considered as of the purest and healthiest teas in the world [1]. Although, by passing one century from commencement of tea cultivation and production in Iran, tea cultivation surfaces has been developed and numbers of tea making factories has been increased, no progress has been made in improvement of quality o...

SURE : Shizuoka University REpository