What is the 30 second rule for espresso?
The 30-second extraction rule suggests that a well-balanced espresso shot should take approximately 25-30 seconds to extract when using 18-20 grams of ground coffee and yielding about 30-40 milliliters of espresso. The energy boost and rich flavor are hard to resist, but there’s definitely a line between “fuel for the day” and “asking for trouble. Most healthy adults can safely consume up to 6-7 single espresso shots per day, keeping you under the 400mg daily caffeine cap.That means 4 to 5 shots of espresso puts you right near the upper safe limit, around 240 to 500 mg total. If your shots are on the stronger side (closer to 100 mg each), hitting that limit only takes about four. If they’re milder, five shots might be okay. Either way, that’s the maximum, not a target.
What is the golden rule of espresso?
The Golden Rule A reliable method for judging your extraction times is by following the “Golden Rule” which states that a double shot of espresso should result in about 2-2. A 30ml single espresso should extract between 15 – 20 seconds. A 60ml double espresso should extract between 27 – 35 seconds.