How to make a cup of good espresso, without adding any attachments that can drink, coffee valve Jun today shares with you, the impact of concentrated coffee taste several factors, how to maximize the potential of concentrated coffee.
1. Combine and bake
Combined coffee must be fresh. It is best to use coffee within 4 days after baking. Those who are good at espresso combination will bake slightly to keep the aroma and sugar in the coffee.
2. Milling and milling machine
The milling process is monitored throughout the day to keep the extraction process at 25 - 30 seconds. High quality milling machines must be used.
3. Out of powder
Must be freshly ground coffee, it is possible to get the top scent. Place more than 30 seconds of coffee powder, do not use to do concentrated coffee.
4. Cloth and water minerals
After the coffee machine grind out the coffee powder, slightly cloth the coffee powder in the handle to a balance state and use the coffee tamper to press the powder. 7 water of espresso, must be filtered. If there is a smell, you must empty the boiler, re-water.
5. Water temperature and water pressure
Water temperature should be stable between 88 - 93 degrees. The water pressure through the concentrated coffee should be between 9 and 10 press pressures.
6. Boiler pressure and extraction time
Boiler pressure determines the amount of water that can change the steam. Production of double 1 ounce concentrated coffee time for 25 - 30 seconds.
7. Clean the coffee machine
If the coffee machine, bowl, handle at irregular intervals to clean up, the concentration of coffee will have a corrupt taste.
Ready to concentrate coffee, is an art. I think the proportion of water and powder is more important, and have to always taste coffee, according to own taste to adjust the ratio of water and powder and extraction time to find own favorite coffee taste, each person's taste is not the same, own favorite is best.
When you or your customer have high requirement on the coffee kit, please also remember to have your coffee bean packed with a coffee valve without filter.
Brewing methods have different requirements on the powder thickness, exhaust valves without filter is suitable for whole-bean product that can be grinded at home.
Brewing method and the storage condition are both affecting coffee taste, and the exhaust valve with filter installed on package is suitable for powdery product.
We recommend you keep coffee beans in containers with one-way degassing valve, it helps to prevent quality change and to extend shelf life during ‘resting’.