01TEA JOURNEY [12] | Grading Tea
Familiar with French Bordeaux's AOC label, Italian Chardonnay's DOCG, or Japanese A5 Wagyu? The common denominator of these grading systems is that they…
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TOS JOURNAL · EDITION
Notes on tea, travel, people, and objects worth keeping close for a long time.

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01Familiar with French Bordeaux's AOC label, Italian Chardonnay's DOCG, or Japanese A5 Wagyu? The common denominator of these grading systems is that they…
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02Oolong tea, also known as Blue, is a partially fermented/oxidized or semi-fermented tea, with oxidation levels ranging from 15% to 70%. It's got a huge…
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03Scientifically known as Camellia sinensis or Thea sinensis, an evergreen tree belonging to the Camellia family, the tea tree boasts many intriguing varieties…
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04Just like the variety of teas, the processing methods and raw materials used in tea production differ, so it's impossible to evaluate the quality of tea based…
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05Did you know that green tea, green tea, black tea, white tea, and oolong tea all come from the same tea plant? Even though they come from the same tea plant…
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06In China, the birthplace of tea, it has long been believed that tea helps balance the energy in our body. In particular, the ancient Chinese medical book…
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07"Is Green Tea Only Produced in Korea?" When it comes to green tea, Korea is often associated with its production. If you browse through local stores, you…
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08Polyphenols are also referred to as tannins. The tannins in tea are a type of compound similar to those found in wine, and some compounds, such as…
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09Caffeine is the main alkaloid found in tea, which is a nitrogenous compound with alkaline properties. It was discovered in coffee in 1819 and later found in…
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