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104 total results found

The Extraction of Caffeine from Tea Leaves All Parts

Sources and References Video Sources

Source: https://www.youtube.com/watch?v=8Z_Ei1ITJpA&ab_channel=BristolChemLabS Note: Goes over each process and gives an overview of the equipment needed.

Characterization of Effects of Different Tea Harvesting Seasons on Quality Components, Color and Sensory Quality of “Yinghong 9” and “Huangyu” Large-Leaf-Variety Black Tea

Sources and References Research Articles

Source: Ye et al. - 2022 - Characterization of Effects of Different Tea Harve.pdf

Tea
Caffeine
YingHong9
Huangyu
Black Tea

Chemical constituents analysis of white tea of different qualities and different storage times

Sources and References Research Articles

Source: Chemical_constituents_analysis.pdf

White Tea
Caffeine
Storage
Aging
Shou Mei
Gong Mei

Analysis of differences in the accumulation of tea compounds under various processing techniques, geographical origins, and harvesting seasons

Sources and References Research Articles

Source: 1-s2.0-S0308814623016187-main.pdf

Tea
Caffeine
Green Tea
Yellow Tea
White Tea
Oolong Tea
Black Tea
Dark Tea
Sheng Pu-erh Tea

Product Photos & How to Take Them

How to tavern the Tea Tavern Expectations of Marketing Practices

The Necessary Supplies A Ring Light with phone mount  Large white sheet of paper (Last found at Walmart) Poster board back sides are matte, which can work May want a warmer than white tone (needs verification) A cup with a white inside The Ph...

Summary

Sources and References Caffeine

  Tea, camellia sinensis, includes a number of bioactive chemicals including caffeine.  The precise amount of caffeine extracted from tea depends on a combination of factors that include 1) the location or region; 2) the material of the tea leaves; 3) the pr...

Caffeine Extraction

Sources and References Caffeine

Measuring caffeine would not be easy. The existing methods to measure tea range from requiring laboratory equipment to a DIY approach. In reviewing their approaches, the way they extract caffeine differs from how one normally brews tea such as the amount of gr...

Welcome Traveler! (Automatic welcome newsletter)

Newsletters

Welcome Adventurer! Your quest to explore and experience unique teas has begun! Before you begin, however, we are thought this guide to basic tea equipment may help. It only includes the most rudimentary equipment necessary to fully embark on your adventure, h...

January 2026 Newsletter

Newsletters 2026

☕ Varieteas of Teas 🍵 Greetings Adventurers!  One of the most magical things about tea is that even though all teas derive from the same Camelia sinesis plant, there is a seemingly endless variety of teas to explore. That’s because changing how tea is harves...

Physiological Effects of Tea - Jitters

Sources and References Tea and Human Health

[Please note that the footnotes appear inline]. This report will answer two questions: 1) What do most people mean when they say "jitters"?2) What causes "jitters? Sometimes people experience “jitters” when drinking tea. This type of “jitters” is different...

Effects of Pesticides and Fertilizers

Sources and References Tea and Human Health

This report will answer the following question: What are known negative effects to humans (if any) when pesticides and fertilizers are used for tea? I discuss fertilizers and pesticides separately and then discuss both in relation to tea farmers. Fertilizer...

Feb/Mar: The Magic of How It's Made: One Tea, Infinite Processes

Newsletters 2026

Hello Travelers! As you learn about begin to prepare your own Gongfu tea, some ancient truths will begin to reveal themselves: while origin, cultivar, and terroir matters, it’s how the tea is processed that determines the tea’s category and ending flavor. Thi...

2026

Newsletters

April 2026 - Making Water: Tea Tavern Magic that Makes All the Difference

Newsletters 2026

Water: The Secret Tea Ingredient One of the most important components of tea is the water in which its brewed, an ancient "secret" going back to 730 A.D.  That's when Classic of Tea (Cha Jing), a 10-chapter tome on tea, was written by brew master Lu Yu, als...