Green tea Canadian Food Inspection Agency (CFIA). It is one of the foods for which a standard of identity is specified according to the Food and Drug Regulations. It should contain not less than 33% water-soluble extractive (determined by official method FO-37 which is the determination of water-soluble extractive in tea) and the total ash should between 4% to 7%. Green tea Green tea is a type of tea that is made from "Camellia sinensis" leaves that have not undergone the same withering and oxidation process used to make oolong teas and black teas. Green tea originated in China, but its production
Camellia japonica a long time. One of the most important plants related to "Camellia japonica" is the "Camellia sinensis", which is the plant tea comes from. This plant is not usually grown in gardens because it has small white flowers, unlike the "Camellia japonica", which has larger, more beautiful flowers. It is not seen in art as often as the "Camellia japonica", but it is shown in a painting called the "Song Hundred Flowers" which hangs in the Palace Museum in Beijing. "Camellia sinensis" may have been used as medicine during the Shang Dynasty. It was first used for drinking during the