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Tea leaf processing methods for the six most common types of tea. 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]
White tea is often sold as Silvery Tip Pekoe in the style of the tea leaf grading system, as well as under the simple designations China White and Fujian White. [4] Some tea from the related wild Camellia taliensis in Yunnan is made using white tea processing techniques.
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).
Green tea leaves steeping in a gaiwan (type of tea cup) Steeping is the soaking of an organic solid, such as leaves, in a liquid (usually water) to extract flavours or to soften it. The specific process of teas being prepared for drinking by leaving the leaves in heated water to release the flavour and nutrients is known as steeping.
In the tea industry, tea leaf grading is the process of evaluating products based on the quality and condition of the tea leaves themselves. The highest grades for Western and South Asian teas are referred to as "orange pekoe" (abbreviated as "OP"), and the lowest as " fannings " or "dust".