The delicate art of withering white tea leaves

In the past, the withering of tea leaves took place in the open air, but nowadays it increasingly happens in a heated, well ventilated room. This system offers greater control over the ambient conditions. Here, in Fujian (China), the temperature and humidity levels are carefully regulated, and the room benefits from a sophisticated ventilation system. Which means the leaves of this Bai Mu Dan can gradually lose their water content.

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Tea leaves spread out as far as the eye can see

In Assam, anything related to tea processing takes place on a massive scale, because of the incredible yield they get here: four times higher than in Darjeeling. The plantations themselves cover a much larger area than elsewhere in the country.

Take the withering, for example. Instead of troughs 10 to 15 metres wide, which I am used to seeing in other parts of India, here the leaves are spread out as far as the eye can see. I took this photo at night, and the dim light adds to the mystery of this essential stage in tea processing. During the withering, the leaf will lose much of its water content (up to 40% for Assams; up to 70% for Darjeelings).

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Le Palais des Thés team in Tomsong

This morning I left for Kolkata. From there I will travel to Darjeeling, probably on Tuesday. The spring harvest will begin soon, and it is time to visit a few plantations, find out more about the crop, and “test the temperature” of the region in more ways than one. Tea plants go to sleep in the winter, because of the cold, and wake up again when the air warms up. Inversely, the people get fired up during the winter months over the issue of independence, and cool down in the spring when the tea and tourist trades pick up again.

There is an important stage in tea processing that I am sorry not to be able to share with you: the “withering”. This involves blowing air – preferably cold – over the leaves, which give off an incredible fragrance like white flowers, lily and jasmine. In this photo taken in Tomsong in October 2010, during a trip with the team, everyone is cupping leaves in their hands and inhaling the wonderful aroma.

If you would like to see some other highlights from our trip, click on this link (in French):
http://www.palaisdesthes.com/fr/le-the/palais-des-thes-darjeeling.htm

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Namring Tea Estate : an imposing factory

In those countries where the British were in charge of tea growing, the processing factories are of an imposing size.

The upper floor, or upper floors, like here on the Namring Tea Estate (India), are devoted solely to withering the tea leaves. The rolling, oxidation, drying and sorting of the various grades take place on the ground floor of the building.

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In Taiwan, people take great care of semi-fermented teas

In Taiwan, people take great care of semi-fermented teas (wu longs) left to wither outside. The grower first buy an electrical system of open-weave canvases that are moved across to shade the leaves when the sunlight gets too intense. Tea is then aired: it is raked very carefully, for hours, to prevent the leaves from starting to ferment.

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