cover of episode Matcha, coffee and green tea: which is healthiest? with Prof. Tim Spector and Chef Andrew Kojima

Matcha, coffee and green tea: which is healthiest? with Prof. Tim Spector and Chef Andrew Kojima

2025/4/10
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ZOE Science & Nutrition

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Andrew Kojima
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Jonathan Wolfe
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Tim Spector
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Tim Spector:抹茶和咖啡都含有有助于认知、新陈代谢和消炎的营养物质,但抹茶的膳食纤维含量是咖啡的两倍。抹茶中含有L-茶氨酸,可以抵消咖啡因带来的过度兴奋感,有助于改善睡眠质量和减轻压力。一些研究表明,抹茶可能对认知功能和代谢有益,但目前缺乏长期研究数据。总的来说,虽然咖啡的健康益处证据更多,但抹茶对不喜欢咖啡的人来说是很好的选择,两者结合可能效果更好。 Andrew Kojima:抹茶是一种特殊的绿茶,其制作过程包括在荫蔽环境下种植茶叶,然后将茶叶研磨成细粉。抹茶的独特之处在于饮用的是整片茶叶的粉末,而不是茶叶浸泡后的水,因此可以摄入更多营养物质。抹茶在日本已有900多年的历史,近年来在西方也越来越流行。抹茶的口感独特,既有茶的清香,也有独特的鲜味,可以与多种食物搭配。建议初次尝试抹茶的人可以从食物中添加抹茶开始,例如在米饭中添加抹茶,或者在饮品中添加牛奶,逐渐减少牛奶用量,最终尝试纯饮抹茶。 Jonathan Wolfe:本期节目探讨了抹茶和咖啡的健康益处,并演示了如何正确冲泡抹茶。通过与专家的访谈,我们了解到抹茶的营养成分、制作工艺以及饮用方式,并对抹茶的健康益处进行了深入探讨。

Deep Dive

Chapters
This episode compares matcha and coffee, exploring their nutritional content and health benefits. Listener questions kick off the discussion, touching upon caffeine's role, shared benefits, cancer prevention potential, and addressing common misconceptions about matcha.
  • Matcha and coffee share similar health benefits related to cognition, metabolism and inflammation.
  • Matcha contains significantly more fiber than coffee.
  • A common misconception is that matcha is a completely different type of tea; it originates from the same plant as black tea.

Shownotes Transcript

Is matcha the ultimate coffee alternative, or just another wellness fad? In this episode, Andrew Kojima - aka Chef Koj - an expert in Japanese cuisine, and Professor Tim Spector, a world-leading scientist in nutrition and gut health, explore whether matcha is truly a healthier choice than coffee. 

Chef Koj explains the rich history behind matcha, its role in Japanese culture, and why it has become a global wellness trend. Tim breaks down the latest science on matcha’s impact on metabolism, brain function, and gut health, comparing its effects to those of coffee.

For listeners curious about incorporating matcha into their daily routine, this episode includes a practical guide on how to prepare matcha properly. Koj demonstrates the traditional method of whisking matcha and shares tips on avoiding common mistakes. For those new to matcha, he also explains how to make a simple and delicious matcha latte for beginners. 

The episode concludes with a tasting of Koj’s matcha custard dessert, showing how matcha’s umami-rich flavor can be used in unexpected ways. Could matcha actually help curb sugar cravings and build a taste for more complex flavors? 

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Timecodes

00:00 Healthier than coffee?

02:15 Listener questions

03:17 What is matcha?

05:59 The same as green tea?

09:33 History of matcha

10:20 Industry marketing tricks

11:55 Why the west loves coffee

12:55 Does matcha make you alert?

14:42 How caffeine levels differ

16:53 Does matcha contain fiber?

21:37 Health benefits of matcha 

25:10 Truth about iced matcha latte 

28:59 Perfect matcha demonstration

41:55 Flavour profile of matcha

43:53 How to add matcha to food

44:35 Matcha dessert ideas

46:45 Expensive vs cheap matcha

47:33 Should you add milk?

Get Chef Koj's book 'No Sushi' here)

📚Books by our ZOE Scientists

The Food For Life Cookbook)

Every Body Should Know This by Dr Federica Amati)

Food For Life by Prof. Tim Spector)

🍵 Chef Koj's perfect matcha kit:

Bamboo Matcha Whisk & Scoop)

Organic Japanese Matcha Green Tea Powder)

Matcha Bowl)

Studies referenced for today's episode

Effect of in vitro digestion-fermentation on green and roasted coffee bioactivity: The role of the gut microbiota), 2019, Food Chemistry

Matcha Green Tea: Chemical Composition, Phenolic Acids, Caffeine and Fatty Acid Profile), 2024, Foods

Anti-Stress, Behavioural and Magnetoencephalography Effects of an l-Theanine-Based Nutrient Drink: A Randomised, Double-Blind, Placebo-Controlled, Crossover Trial), 2016, Nutrients

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Episode transcripts are available here).