Category "caffeine"

Why would coffee cause stomach cramps? Are there alternatives to Caffeine? [closed]

As a student, I am (I was) caffeine-dependant. But whenever I drink coffee I get stomach cramps. Is there a biological/biochemical explanatio

English Breakfast vs Ceylon tea

Which tea is stronger, i.e. gives a better puch for a wake up? I know that English Breakfast is a mix which among others includes Ceylon, and I read that Ceylon

How much EGCG and caffeine can specific amount of water absorb from tea leaves?

For example; 1) 100mL water + 4 tablespoons of green tea leaves 2) 100mL water + 12 tablespoons of green tea leaves Will the second one result with higher EGC

What's a microscoop?

I've bought pure caffeine powder and its serving size is said to be a microscoop, but no measure of weight is given. So what's/what size is a microscoop? "Mic

What is a reliable source for the caffeine content in tea?

If you do a quick google search for "Tea caffeine content" you may get varied results anywhere from 20mg up to 45 for black tea. I wonder: Where do all these n

How do I prepare (any) coffee with desired caffeine concentration?

I’m an student from Tampere, Finland, and I’m doing an essay on the effects of coffee (caffeine). However, how to determine the caffeine content in

How much caffeine would there be if I reuse tea leaves in a second brewing?

If you look for information about the amount of caffeine present in a cup of tea, the amounts vary depending on the kind of tea, if the tea is bagged or loose l

Why can't chocolate be made caffeine free?

I recently read this article which suggests that it's impossible to make caffeine free chocolate. Why would this be the case? If we can make caffeine free teas

Why do industrial drinks mark caffeine as a flavoring?

The ingredients list is sometimes written "Flavors: ... Caffeine" (Arômes: ... Caféine) on official Coca-Cola cans and home-brand cola bottles here

Does steeping the same amount of tea in different volumes of water lead to the same or more caffeine? [duplicate]

If I were to steep the same amount of tea in two vessels of hot water: one 12oz cup and one 24oz carafe, would the 24oz carafe have more caffe

Does brewing tea for longer result in higher caffeine content?

The ISO standard for brewing tea says "6 minutes". Of course different teas have vastly different properties, but... For "average commodity black tea" and "av

How much caffeine is in matcha powder?

I would like to know how many milligrams of caffeine are there in a gram of dried matcha powder.