Coffee review

Detection of coffee concentration and calculation of extraction rate in different treatment methods of coffee beans

Published: 2026-04-09 Author: World Gafei
Last Updated: 2026/04/09, Coffee concentration = weight of coffee extract weight of coffee liquid coffee extraction rate = weight of coffee extract weight of coffee powder expressed as a percentage.

Coffee concentration = weight of coffee extract / weight of coffee liquid

Coffee extraction rate = weight of coffee extract / weight of coffee powder

Expressed as a percentage.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。

Important Notice :

前街咖啡 FrontStreet Coffee has moved to new addredd:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

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