Oolong E-mail
Written by Scott Tamas   
Saturday, 29 September 2007
Oolong tea (also known as wulong tea) is a traditional Chinese tea that has oxidized to somewhere between green and black teas. It ranges from 10% to 70% oxidation.

In Chinese tea culture, partially oxidized oolong teas are collectively grouped as "blue-green tea" (qingcha). Oolong has a taste more akin to green tea than to black tea: it lacks the rosy, sweet aroma of black tea and yet does not have the stridently grassy vegetal notes that exemplifies green tea. The best Oolong has nuanced flavor. It is usually brewed to be strong, causing the bitterness to dissipate, leaving a sweet and pleasant aftertaste. Oolongs produced in Fujian Province's Wuyi Mountains and in the Central Mountains of Taiwan are world famous.

During processing, Oolong tea leaves are often rolled into long, curly leaves or into ball-like form similar to gunpowder tea. It is often served in Chinese restaurants to compliment certain foods, for example: dim sum.

Brewing Oolong Tea

 

Generally, 2.25 grams of tea per 6 ounces of water, or about two teaspoons of oolong tea per cup, should be used. Oolong teas should be prepared with 180°F to 190°F (82°C-87°C) water (not boiling) and steeped 3-4 minutes.

Classification and grade

Tea connoisseurs classify the tea by its aroma (often fragrant or flowery), taste and aftertaste (often melony). Oolongs comes in either light or roasted. While most oolongs can be consumed right away after processing, like pu'er tea, many oolongs can benefit from long aging with regular light roasting with a low charcoal fire.  Before roasting, Oolong tea leaves are bruised and rolled to break open cell walls.  This encourages enzymatic activity. This roasting process cleanses the tea of undesirable odors and reduces any sour or astringent tastes; in addition, the process is believed to make the oolong tea gentler on the stomach.

Processing of Oolong Tea


Oolong tea undergoes a few delicate processes in order to produce the unique aroma and taste. Typical Oolong tea is processed according to the following steps:

  1. Wilting: Air or sun dry to remove some moisture.
  2. Yaoqing: Bruising the edge of the tea leaf to create more contacting surface for oxidation.
  3. Rouqing: Tumbling or rubbing leaves for the next stage.
  4. Shaqing: Stopping further oxidation. Depending on the quality of the leaves, they will be dried in a large pan over heat and stirred by hand (for premium tea) or by machinery.
  5. Cooling:
  6. Drying
  7. Grading
  8. Packaging


Varieties of Oolong Tea



Chinese Oolong teas

  • Wǔ-Yí mountain Fújiàn province
  • Wuyi Huang Guan Yin tea leaves
  • Wuyi Qi Lan Oolong tea leaves

The most famous and expensive Oolong teas are made here but the production is still usually accredited as organic. Shui Hsien is mostly grown elsewhere in Fujian.

  • Da Hong Pao - Big Red Robe in Chinese, a highly prized tea and a Si Da Ming Cong, literally: The Four Great Bushes. This tea is also one of the two Oolongs that make it to the list of Chinese famous teas.
  • Shui Jin Gui - Golden Turtle in Chinese, a Si Da Ming Cong.
  • Tieluohan - Iron in Chinese, a Si Da Ming Cong.
  • Bai Ji Guan - White Cockscomb in Chinese, a Si Da Ming Cong. A light tea with lightly colored leaves.
  • Rou Gui - Cinnamon in Chinese, a dark tea with a spicy aroma.
  • Shui Hsien - Water Sprite in Chinese, a very dark tea, often grown elsewhere.

Fújiàn province

  • Tiě Guān Yīn or Ti Kuan Yin - Iron Guanyin in Chinese, this is a tea from Anxi in South Fujian. It is very famous, in fact a 'Chinese famous tea' and very popular.

Guangdong province

  • Dān Cōng - A highly floral unrolled tea with large undamaged leaves that is often scented with various aromas.

Taiwanese Oolong

Tea cultivation only began in Taiwan in the mid 19th century and many teas that were produced in Fujian have been since also produced there. Since the 1970s, teas and the industry in Taiwan has developed swiftly and substantially, alongside with the emerging economy. Accordingly, the major buyers of Taiwan tea are usually in the domestic market, with very small quantity left for foreign market.

Qualities of the teas in Taiwan are usually affected by the year and season, growers and areas of production. Different areas have different weather patterns, temperatures, altitudes and soil that ultimately result in the differences of teas. In some mountain areas, teas have been cultivated at ever higher elevations to produce a unique sweet taste that fetches a price premium.

There is usually an extremely wide variation in the prices of Taiwan tea. Affordable teas usually cost around dozens of dollars per kilogram, while quality teas produced by reputed grower and superior areas can cost up to several hundreds dollars. Some very rare awarded teas--also called "champion tea", which are graded as best selections in official contests, may reach thousands dollars in auctions.

  • Dòng Dǐng - The name means Cold Summit. Dong Ding is a mountain in Nantou County, Central Taiwan. This is a tightly rolled tea with a light, distinctive fragrance.
  • Dong Fang Mei Ren - The name means Oriental (Eastern) Beauty. Also known as Bai Hao Oolong. This tea is tippy, with natural fruity aromas and a sweet tasting bright red tea liquor.
  • Alishan - This has large rolled leaves that have a purple-green appearance when dry. It is grown in Chiayi County, Taiwan at an elevation of from 3000 to 4500 feet. There is a short period of the day with full sun and this produces a sweeter and less astringent brew. It produces a golden yellow liquid which has a unique fruity aroma.[8]
  • Pouchong - Also romanized as Baozhong, the lightest and most floral Oolong[citation needed], with unrolled leaves of a light green to brown color. Originally grown in Fujian it is now widely cultivated and produced in Pinglin Township near Taipei, Taiwan.

Other oolong teas

  • Darjeeling Oolong - Darjeeling tea made according to Chinese methods.
  • Vietnamese Oolong
Last Updated ( Friday, 20 June 2008 )
 
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