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Internal changes and characteristics of Coffee roasting Coffee Industry News Coffee Bean producing area Coffee

Published: 2026-04-04 Author: World Gafei
Last Updated: 2026/04/04, The internal changes and characteristics of coffee roasting are mainly to make coffee produce aromatic coffee oil. The amount of heat baked will cause a series of chemical reactions in coffee beans. First, the starch will turn into sugar and acidic substances, and then the basic structure of the coffee bean will change, and the protein will be converted into enzymes, forming a layer of oil in the skin of the coffee bean.

Internal changes and characteristics of Coffee roasting

The main purpose of roasting is to make coffee produce aromatic coffee oil. The amount of heat baked will cause a series of chemical reactions in coffee beans. First, the starch will turn into sugar and acidic substances, and then the basic structure of the coffee bean will change, and the protein will be converted into enzymes, forming a layer of oil in the skin of the coffee bean.

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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