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Tea processing is the method in which the leaves from the tea plant Camellia sinensis are transformed into the dried leaves for brewing tea. The categories of tea are distinguished by the processing they undergo.
Crush, tear, curl (sometimes cut, tear, curl) is a method of processing tea leaves into black tea in which the leaves are passed through a series of cylindrical rollers with hundreds of sharp teeth that crush, tear, and curl the tea into small, hard pellets. This replaces the final stage of orthodox tea manufacture, in which the leaves are ...
ISO 3103 is a standard published by the International Organization for Standardization (commonly referred to as ISO), specifying a standardized method for brewing tea, possibly sampled by the standardized methods described in ISO 1839. [1]
Common processing methods of tea leaves. After basic processing, teas may be altered through additional processing steps before being sold [88] and is often consumed with additions to the basic tea leaf and water added during preparation or drinking. Examples of additional processing steps that occur before tea is sold are blending, flavouring ...
Tea leaves of different sizes just after plucking. Small leaves are more valuable than big ones. Basic leaf grades of black tea, as used in South Asia. In the tea industry, tea leaf grading is the process of evaluating products based on the quality and condition of the tea leaves themselves.
Because tea takes on aromas with ease, there can be problems in the processing, transportation or storage of tea, but this property can also be consciously used to prepare flavored teas. Commercial flavored tea is often flavored in large blending drums with perfumes, flavorings, or essential oils. Although blending and scenting teas can add an ...
Fermented tea (also known as post-fermented tea or dark tea) is a class of tea that has undergone microbial fermentation, from several months to many years.The exposure of the tea leaves to humidity and oxygen during the process also causes endo-oxidation (derived from the tea-leaf enzymes themselves) and exo-oxidation (which is microbially catalysed).
GABA tea (other names: Gabaron, Jia Wu Long cha, Jing Bai Long cha, 佳叶龙茶) is tea that has undergone a special processing which leads to high accumulation of GABA (the chief inhibitory neurotransmitter in the central nervous system) in the tea leaves. This process involves storing the leaves in an oxygen-free nitrogen gas chamber.