Twig Tea (Kukicha)

Caffeine Levels

per fl. oz cup


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Twig tea, kukicha, or stem tea is a green tea variety made from the stems of the Camellia sinensis plant instead of the leaves.

Because stems naturally have less caffeine than tea leaves, twig tea generally has less caffeine than regular green tea.

However, this varies among brands and varieties.

The amount listed above is for Stash Tea's Kukicha, which was independently tested by The Journal of Food Science and represents 2 grams of twig tea steeped in 8 fl.oz. of hot water.

Twig tea tastes best when steeped for less than a minute at 70 degrees C to 80 degrees C (155 F - 180 F). Longer steeping extracts more caffeine and bitterness.

The journal of Food Science steeped their sample for 5 minutes.

Ingredients in Twig Tea (Kukicha)

Stems of the Camellia sinensis

Sugar content: Contains no sugar.

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Caffeine Concentration

Twig Tea (Kukicha) contains 3.12 mgs of caffeine per fluid ounce (10.57mg/100 ml).

Caffeine (mg) per Ounce

10090807060 5040302010 0 Twig Tea (Kukicha) 5 Hour Energy Coffee (Espresso) Spike Energy Drink


Distribution of Catechins, Theaflavins, Caffeine, and Theobromine in 77 Teas Consumed in the United States Journal of Food Science, Volume 70, Issue 9, November 2005, Pages: C550–C559, Mendel Friedman Soo‐Yeun Kim Sin‐Jung Lee Gyeong‐Phil Han Jae‐Sook Han Kap‐Rang Lee Nobuyuke Kozukue, Published Online : 31 MAY 2006 12:00AM EST, DOI : 10.1111/j.1365-2621.2005.tb08304.x