2026Journal article
Abdulmohsen Alanazi, Ryan Alanzi, Abdullah Abdulaziz Abbod Abdo
No abstract is available for this record.
Study type
Systematic review / meta-analysis
A structured search and combined analysis of earlier studies.
Assigned automatically from the title, abstract and subject terms.
Topics
Matcha is a main subject here (named in the title).
Abdulmohsen Alanazi, Ryan Alanzi, Abdullah Abdulaziz Abbod Abdo. (2026). Matcha and Green Tea Bioactives Modulate the Testosterone-to-Cortisol Ratio: A Systematic Review of Endocrine Stress Regulation by L-Theanine and EGCG. https://doi.org/10.37766/inplasy2026.4.0072
DOI: 10.37766/inplasy2026.4.0072
Japanese matcha is a type of powdered green tea, grown in a traditional way. Shading of the plants during the growth period enhances the processes of synthesis and accumulation of biologically active compounds, including theanine,…
ReviewCognition, mood and stressAntioxidants and polyphenolsL-theanine and caffeineCited 321×Theanine, a major amino acid in green tea, exhibits a stress-reducing effect in mice and humans. Matcha, which is essentially theanine-rich powdered green tea, is abundant in caffeine. Caffeine has a strong antagonistic effect against…
Randomized controlled trialCognition, mood and stressAntioxidants and polyphenolsL-theanine and caffeineCited 84×Background: Green tea is traditionally known to induce mental clarity, cognitive function, physical activation and relaxation. Recently, a special green tea, matcha tea, is rapidly gaining popularity throughout the world and is frequently…
ReviewCognition, mood and stressAntioxidants and polyphenolsL-theanine and caffeineCited 70×Matcha tea is gaining popularity throughout the world in recent years and is frequently referred to as a mood-and-brain food. Previous research has demonstrated that three constituents present in matcha tea, l-theanine, epigallocatechin…
Randomized controlled trialCognition, mood and stressAntioxidants and polyphenolsL-theanine and caffeineCited 66×