• HOME >
  • Tea constituents and functional effect

茶葉の焼成実験

The after taste of tea is one of the most important criteria in selecting tea. To demonstrate that after taste can be influenced by the minerals that exist in tealeaves, I conducted an experiment to prove my point.

Experiment: Burning tealeaves into ashes and use them to brew tea

The aim of this experiment is to prove that organic substance has nothing to do with the after taste. Once tealeaves are burnt into ashes/charcoal, there are no organic substances remained there.

  1. I choseTai Ping Hou Kui Special tribute as the subject of my experiment. This is the tea that gives very strong after taste and the leaf is long enough.
  2. Burn the tea leaf until it is completely transformed into ashes/charcoal.
  3. Brew tea with the tea ashes (place ashes/charcoal into the tea cup)
  4. Conduct tasting

IMG_1368.jpg
The tealeaf of Tai Ping Hou Kui

IMG_1372.jpg
Continue burning until the tealeaf is completely transformed into ashes.

IMG_1374.jpg
IMG_1386.jpg

  1. Hot water as a control
  2. Hot water + burnt tea leaf
  3. Hot water + Fresh tea leaf

As I expected, No.2 and No.3 gives the same level of after taste. It shows that minerals can influence the intensity of after taste. In fact it is very shocking to see that the ashes/charcoal make water taste softer and smoother. It was a very strange feeling.

IMG_1397.jpg

The burnt tea leaf gives lighter body than the fresh tea

The one interesting result is that the “BODY” of water decreased when I tasted water treated with the ashes of tealeaf. As far as I know, it is either calcium or potassium that is dictating the body of tea. I assume that these minerals might have undergone oxidation. Due to the change of chemical formula, it may have reduced tea’s body.

2Ca + O2 → 2CaO

Related Articles

How to get the latest update on HOJO?

1. Follow Twitter, 2. Click "Like" on Facebook, and 3. Subscribe in newsletter. You can have the latest tea news from HOJO.

Subscribe the Newsletter to enjoy the privileges
You may receive a free sample upon purchase, or you may have the priority to purchase special products. So please remember to subscribe our newsletter as well as the social network.
  •                 

HOJO TEA Online Shop NEWSlist

New Release of Da Xue Shan Wild White Tea 2020
We have launched Da Xue Shan Wild White Tea 2020, in lo …
Limited Release of Yunnan 10 Years Vintage Black Tea 2010
We release 10-year vintage Yunnan black tea. This tea w …

NEW ARTICLES

New Release of Da Xue Shan Wild White Tea 2020
We have launched Da Xue Shan Wild White Tea 2020, in lo …
Limited Release of Yunnan 10 Years Vintage Black Tea 2010
We release 10-year vintage Yunnan black tea. This tea w …
New Arrival of Iga Natural Red Clay Teapots and Hohins
We have received Iga Natural Red Clay Teapots and Hohin …
Da Xue Shan Wild Raw Pu-erh Tea 2020 was Released
We have launched 2020 wild puerh tea. This wild tea is …
3 Ways to Enjoy White Tea
Recently, white tea has been gaining popularity. Howeve …
High Mountain Purple Black Tea 2020 is Now Available
We have released High Mountain Purple Black Tea 2020. I …
We have released the Flower of Ancient Tea Tree
We have released the Flower of Ancient Tea Tree. This i …
Limited Sales of Single Tree Raw Pu-erh Tea and White Tea 2019
We have released Single Tree Pu-erh Tea 2019. Literally …
Lapsang Souchong Qi Zhong from Tong Mu Guan in Wuyi Mountain
We have released Lapsang Souchong Qi Zhong. It is the m …
New Arrival of Teapot, Hohin and Cups from Watanabe Tozo and Maekawa Junzo
We have received various types of teapot, Hohin and Cup …

PAGETOP