4
votes
1answer
279 views

What method of coffee preparation gives the most caffeine in the finished cup?

As the question asks, which method from the list below will give the most caffeine in the final product (ie. a cup of coffee). Assume the same beans with the same grind (while the different ...
5
votes
3answers
8k views

Why does instant coffee have less caffeine?

I had gone completely cold-turkey on caffeine for a while due to anxiety issues, and I'm slowly reintroducing caffeine to my diet. I have read in many places that freeze-dried instant coffee has less ...
3
votes
2answers
1k views

Are there visual differences between regular and decaf coffee?

I once asked a waiter at a restaurant how he managed not to mix up cups of regular and decaf coffee when bringing them to various tables. He replied that he could tell by looking at the bubbles – in ...
10
votes
1answer
5k views

How do they get caffeine out in decaffeinated coffee?

Coffee beans naturally contain caffeine. At the store or in a restaurant, you can choose "decaffeinated coffee". Is really all the caffeine gone or is there just a smaller amount? How do they remove ...
11
votes
4answers
16k views

Difference in caffeine levels between light and bold coffee?

Over the last few years I had come to believe that the roasting process for bold coffees removed caffeine from the beans resulting in a lower caffeine content than compared to a light roasted coffee. ...
12
votes
8answers
11k views

How can I maximize the caffeine content of my coffee?

Like many people, I rely on coffee in the morning to really get me going for the day. I always use more than the directions require to get more caffeine for that extra morning jolt. How much ground ...
3
votes
3answers
372 views

Similar flavors to caffeine?

My wife and I enjoy drip coffee, french pressed coffee, espresso, black tea, green tea, and just about anything caffeinated. However, my wife wants to avoid caffeine due to its physiological effects. ...
32
votes
18answers
49k views

Caffeine content of cold-brewed coffee: higher or lower than hot-brewed?

I recently rediscovered the joys of cold-brewing coffee. (One level cup of rough-ground beans, 4-1/2 cups of cold water, steeped overnight and strained, produces a rich coffee concentrate. A shot or ...