Analysis of caffeine

The team at CAMELLIA SINENSIS Teahouse in collaboration with the College Centre for the Transfer of Technologies TransBIOTech, conducted a series of studies on the levels of antioxidants and caffeine in different teas. The analyses were conducted so that the results reflect what the tea drinker gets from their cup, in the context of daily consumption. Each year we select around ten teas, of different styles and pricing, to add new results to this table.

CAFFEINE CONCENTRATION OF VARIOUS TEA INFUSIONS (DETERMINATION OF CAFFEINE BY LIQUID CHROMATOGRAPHY – UV)

All teas were weighed at 5g and brewed in a teapot, in 500 ml of water, except for the Matchas, which has been whipped in a bowl containing 1.5g of tea for 100 ml of water. It is important to note that for the Matcha, the concentration of tea compared to the amount of water is higher than other teas because we chose to measure levels of caffeine in relation to how the tea is normally consumed.

Style

Name of tea

Country

TEC (mg / cup*)

Black Tea

Ceylan New Vithanakande

Ceylan New Vithanakande

Sri Lanka

88 mg


Green Tea

Gyokuro Shizuoka Organic

Gyokuro Shizuoka Organic

Japan

78 mg


Green Tea

Kabusecha Takamado

Kabusecha Takamado

Japan

76 mg


Pu er and Aged Tea

Pu er Shou 2018 Yongde

Pu er Shou 2018 Yongde

China

70 mg


Green Tea

Sencha Koshun Organic

Sencha Koshun Organic

Japan

67 mg


Green Tea

Gyokuro Shuin

Gyokuro Shuin

Japan

61 mg


Black Tea

Darjeeling First flush Jungpana

Darjeeling First flush Jungpana

India

60 mg


Black Tea

Tea Studio | Nilgiri Coonoor

Tea Studio | Nilgiri Coonoor

India

60 mg


Green Tea

Lu An Gua Pian

Lu An Gua Pian

China

60 mg


Green Tea

Tai Ping Hou Kui Hou Keng | Collection Box

Tai Ping Hou Kui Hou Keng | Collection Box

China

59 mg


Green Tea

Long Jing Zhejiang

Long Jing Zhejiang

China

59 mg


Green Tea

Kamairicha Organic

Kamairicha Organic

Japan

59 mg


Green Tea

Woojeon Jeju Organic

Woojeon Jeju Organic

South Korea

58 mg


Green Tea

Wuyuan Zi Mei

Wuyuan Zi Mei

China

58 mg


Green Tea

Wei Shan Mao Jian

Wei Shan Mao Jian

China

58 mg


Green Tea

Tan Huong

Tan Huong

Vietnam

56 mg


Green Tea

Zhu Ye Qing

Zhu Ye Qing

China

55 mg


Black Tea

La Cumbre Bitaco Organic

La Cumbre Bitaco Organic

Colombia

53 mg


Wulong Tea

Bai Hao Jingmai (Oriental Beauty) Organic

Bai Hao Jingmai (Oriental Beauty) Organic

China

53 mg


Green Tea

Sencha Mobata

Sencha Mobata

Japan

51 mg


Green Tea

Dejiang Long Zhu

Dejiang Long Zhu

China

50 mg


Black Tea

Yunnan Da Ye Organic

Yunnan Da Ye Organic

China

50 mg


Green Tea

Gyokuro Okabe

Gyokuro Okabe

Japan

50 mg


Green Tea

Matcha Sora

Matcha Sora

Japan

50 mg


Wulong Tea

Bai Hao

Bai Hao

Taiwan

49 mg


Green Tea

Sencha Ashikubo Organic

Sencha Ashikubo Organic

Japan

48 mg


Green Tea

Long Jing Shi Feng

Long Jing Shi Feng

China

48 mg


Green Tea

Matcha Uji (40g tin)

Matcha Uji (40g tin)

Japan

47 mg


Green Tea

Du Yun Mao Jian

Du Yun Mao Jian

China

43 mg


Green Tea

Sencha Nagashima Organic

Sencha Nagashima Organic

Japan

37 mg


White Tea

Tea Studio | Nilgiri Bai Mu Dan

Tea Studio | Nilgiri Bai Mu Dan

India

29 mg


Green Tea

Hojicha Isagawa Organic

Hojicha Isagawa Organic

Japan

27 mg


Pu er and Aged Tea

Pu er Shou 2008 Jingmai Organic

Pu er Shou 2008 Jingmai Organic

China

25 mg


Green Tea

Genmaicha Matcha Organic

Genmaicha Matcha Organic

Japan

24 mg


Black Tea

Assam Breakfast (Banaspaty) Organic & Fairtrade

Assam Breakfast (Banaspaty) Organic & Fairtrade

India

22 mg


Wulong Tea

Dong Ding Mr. Chang

Dong Ding Mr. Chang

Taiwan

20 mg


Green Tea

Bancha Organic

Bancha Organic

Japan

18 mg


Yerba Maté

Yerba Maté Organic

Yerba Maté Organic

Brazil

18 mg


Green Tea

Kukicha Organic

Kukicha Organic

Japan

17 mg


Wulong Tea

Anxi Tie Guan Yin

Anxi Tie Guan Yin

China

17 mg


Wulong Tea

Rou Gui Mituoyan Mr. Wu

Rou Gui Mituoyan Mr. Wu

China

16 mg


Wulong Tea

Mi Lan Xiang Feng Xi

Mi Lan Xiang Feng Xi

China

16 mg


Black Tea

Earl Grey Organic & Fairtrade

Earl Grey Organic & Fairtrade

India

15 mg


Green Tea

Tea Studio | Nilgiri Mao Feng

Tea Studio | Nilgiri Mao Feng

India

15 mg


Green Tea

Gyokuro Tamahomare

Gyokuro Tamahomare

Japan

14 mg


Green Tea

Jasmine Pearls

Jasmine Pearls

China

13 mg


Green Tea

Huiming

Huiming

China

13 mg


Wulong Tea

Mucha Tie Guan Yin (roasted)

Mucha Tie Guan Yin (roasted)

Taiwan

12 mg


Wulong Tea

Si Ji Chun

Si Ji Chun

Taiwan

10 mg


Black Tea

Bristol Chai | Arthur Organic

Bristol Chai | Arthur Organic

India

9 mg


Black Tea

Chai Camellia Organic

Chai Camellia Organic

India

9 mg


Green Tea

Genmaicha Organic

Genmaicha Organic

Japan

7 mg

* 250ml loose teas, 100ml for Matchas