# Research Articles

This section includes articles that have been peer-reviewed. Other content may include review or technical articles written in an academic context.

# Effect of Microbial Fermentation on Caffeine Content of Tea Leaves

Source of Article [Wang et al. - 2005 - Effect of Microbial Fermentation on Caffeine Content.pdf](https://bookstack.tea-tavern.com/attachments/19)

# Caffeine content of beverages as consumed

Source: [Gilbert et al. - Caffeine content of beverages as consumed.pdf](https://bookstack.tea-tavern.com/attachments/20)

# Spectrophotometric Analysis of Caffeine

Source: [Ahmad Bhawani et al. - 2015 - Spectrophotometric Analysis of Caffeine.pdf](https://bookstack.tea-tavern.com/attachments/21)

# Factors Affecting the Levels of Tea Polyphenols and Caffeine in Tea Leaves

Source: [Lin et al. - 2003 - Factors Affecting the Levels of Tea Polyphenols an.pdf](https://bookstack.tea-tavern.com/attachments/22)

# Distribution of Catechins, Theaflavins, Caffeine, and Theobromine in 77 Teas Consumed in the United States

Source: [Friedman et al. - 2006 - Distribution of Catechins, Theaflavins, Caffeine, .pdf](https://bookstack.tea-tavern.com/attachments/23)

# A rapid and simple determination of caffeine in teas, coffees and eight beverages

Source: [Sereshti and Samadi - 2014 - A rapid and simple determination of caffeine in te.pdf](https://bookstack.tea-tavern.com/attachments/24)

# Caffeine in tea Camellia sinensis — Content, absorption, benefits and risks of consumption

Source: [Gramza-Michałowska - 2014 - Caffeine in tea Camellia sinensis — Content, absor.pdf](https://bookstack.tea-tavern.com/attachments/25)

# Determination of Caffeine in Coffee Products According to DIN 20481

Source: [Naegele and Technologies - Determination of Caffeine in Coffee Products Accor.pdf](https://bookstack.tea-tavern.com/attachments/26)

# Optimization of Caffeine Extraction from Various Tea Types Using Dichloromethane as an Organic Solvent

Source: [Memon and Idress - 2024 - Optimization of Caffeine Extraction from Various T.pdf](https://bookstack.tea-tavern.com/attachments/27)

# 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

Source: [Ye et al. - 2022 - Characterization of Effects of Different Tea Harve.pdf](https://bookstack.tea-tavern.com/attachments/28)

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

Source: [Chemical\_constituents\_analysis.pdf](https://bookstack.tea-tavern.com/attachments/29)

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

Source: [1-s2.0-S0308814623016187-main.pdf](https://bookstack.tea-tavern.com/attachments/30)