What is the 2 hour coffee rule?
Quick answer: the 2 hour coffee rule suggests waiting at least two hours after waking up before drinking your first cup of coffee. This guideline aligns with the body’s cortisol levels, aiming to optimize both the effects of caffeine and the body’s natural wakefulness cycle. Take a week off from coffee (caffeine) and the boost you feel when you start drinking coffee again increases; the international archives study found that changes in adenosine receptor levels typically reverse after a 7-day caffeine break. Fortunately, you don’t have to go coffee cold turkey.
What is a 20 bar coffee machine?
A 20-bar espresso machine has a pump capable of creating up to 20 bars of pressure. While this might seem superior, the brewing process still uses 9 bars for optimal espresso. The higher rating ensures enough power to overcome resistance, but it doesn’t guarantee better coffee quality. The ideal level of pressure passing through the coffee beans should be around 7-11 bar of pressure, although some espresso machines will be able to reach higher values.Performance: A quality espresso machine for home is not necessarily defined by its bar rating but by its ability to maintain steady pressure. Coffee Results: If designed properly, a well-built 15-bar espresso machine can perform just as well as a 20-bar machine.
What is the 80/20 rule for coffee?
In the world of coffee, the 80/20 rule serves as a simple but profound truth: about 80 percent of your coffee’s flavor comes from the bean itself – its variety, growing conditions, and origin, while the remaining 20 percent depends on how you brew it. Start with the amount of coffee you want to drink; a 12oz cup equals 340g of water. Next, pick your brew ratio; the lower the ratio, like 1:13 or 1:15, the stronger the cup of coffee will be. Finally, divide 340g of water by 15, and you will get the number of grams of coffee to use for a 1:15 brewing ratio, ~23g.Grade 4: Standard Coffee Beans – Standard coffee beans are low-quality coffee beans that are typically used in blends and instant coffee. Standard coffee beans are expected to have anywhere from 24 to 86 full defects per 300g.Thankfully, coffee experts around the world have figured out a tried-and-true, gold standard ratio: 1:17. It stands for 1 gram of coffee for every 17 grams of water. If you want a “stronger” cup of coffee, adding more coffee beans may not actually help. Instead, opt for a darker roast for more full-bodied flavor.