MatchaDB

2015Journal article

Emergentology

Graham Walker

Emergency Medicine News

Read at the publisher →

Abstract

FigureFigureC-O-F-F-E-E Coffee is not for me. It's the drink some people wake up with. That it makes them nervous is no myth. Slaves to a coffee cup, They can't give coffee up! I thought of this song we sang in fourth grade as I went into my Cinco de Mayo overnight shift without my beloved brown energy drink. In fact, it was my first time without coffee in seven years of emergency department shifts. My gastritis was at its worst in years. Despite taking my standard Prilosec and Pepcid, it was waking me up from sleep. I knew what any gastroenterologist would say to me, so I quit coffee cold turkey and cut alcohol from my diet, too. I acquired my caffeine instead from a variety of teas, and found a buzz from sugar and a lack of sleep. But I was worried. How would I function? Would I be a worse doctor? Would I fall asleep on my shift? The answers: Just fine. I don't think so. The hours of 4-6 a.m. were rough, but I actually slept much better once I was home in bed. Coffee is so completely tied to medicine for me that it was difficult to imagine hospital life without it. My father would drink it black before he drove into work at the hospital, and I started drinking it in medical school to stay up late memorizing microbiology parasites or to get up at 3:30 a.m. to pre-round on my surgery rotation. Amazing camaraderie is built into a team of doctors and nurses who are fighting a shared exhaustion by drinking coffee. I can't think of better bonding on my trauma rotation in Miami than going to the 24-hour Dunkin' Donuts for a disgustingly sweet cup of their iced joe. Speaking of medical school, if you think back to those pharmacology days, you'll remember that caffeine is a xanthine that blocks adenosine, which helps you understand its effects. Adenosine induces drowsiness in…

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Study type

Food science / processing

Making, milling, storing or using matcha in foods.

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Keywords and subject terms

Cite this study

Graham Walker. (2015). Emergentology. Emergency Medicine News. https://doi.org/10.1097/01.eem.0000469331.30378.99

DOI: 10.1097/01.eem.0000469331.30378.99

More on cognition, mood and stress

2020Journal articleFree to read

Health Benefits and Chemical Composition of Matcha Green Tea: A Review.

Kochman J, Jakubczyk K, Antoniewicz J, et al. — Molecules (Basel, Switzerland)

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×
2018Journal articleFree to read

Stress-Reducing Function of Matcha Green Tea in Animal Experiments and Clinical Trials.

Unno K, Furushima D, Hamamoto S, et al. — Nutrients

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×
2017Journal articleFree to read

An intervention study on the effect of matcha tea, in drink and snack bar formats, on mood and cognitive performance.

Dietz C, Dekker M, Piqueras-Fiszman B — Food research international (Ottawa, Ont.)

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×

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