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The domestication of tea and the development of its processing method likely began in the area around what is now Southwest China, Indo-Burma, and Tibet. [2] Variations of these processing techniques are still used in modern tea processing albeit being far more mechanized.
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 ...
The wò duī process was first developed in 1973 by Menghai Tea Factory [failed verification] and Kunming Tea Factory [4] to imitate the flavor and color of aged raw pu'er, and was an adaptation of wet storage techniques used by merchants to artificially simulate ageing of their teas.
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).
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]
Lower cost ingredients may be substituted for tea, or a tea may be adulterated with undeclared and possibly toxic colors and flavors. The origin of the tea, picking season, and the processing techniques may be intentionally misidentified. Tea powders which undergo additional processing are more susceptible to food fraud. [133]
Tea is a common example of an infusion; most varieties of tea call for steeping the leaves in hot water, although some variants (e.g. Moroccan mint tea) call for decoction instead. Many herbal teas are prepared by infusion, as well; lemon, chamomile, senna, apple, ginger, rooibos, and many other plants are used individually or in combination.