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Basic knowledge of Coffee where does the flavor that often appears in coffee come from

Published: 2026-04-01 Author: World Gafei

Last Updated: 2026/04/01, 2-ethyl-3-℃-5-dimethylpyrazine-furanone (Sotolon) is sweet, caramel, maple, brown sugar 184 degrees ℃ 4-ethyl guaiacol 4-Ethylguaiacol is sweet and warm.

2-Ethyl-3,5-dimethylpyrazine 2-Ethyl-3,5-dimethylpyrazine Earthy, toasty 180-181℃ 3-Hydroxy-4,5-dimethyl-2 (5H) furanone 3-Hydroxy-4,5-dimethyl- 2(5H)-furanone (Sotolon) Sweet, caramel, maple, brown sugar 184 ℃ 4-Ethylguaiacol Sweet and warm spice and herbal aroma. 229~235℃ 5-Ethyl-3-hydroxy-4-methyl-2 (5H)-furanone 5-Ethyl-3-hydroxy-4-methyl- 2(5H)-furanone (Abhexon) Unripe green fruit aroma and maple syrup, scotch cream aroma 83-86℃ 2,3-butanedione (diacetyl) 2,3-butanedione (diacetyl) creamy 87~88℃ 4-Vinyl-phenol 4-Vinylguaiacol Strong spices, cloves and fermented aromas, fried peanut flavor 224℃ 2,3-pentanedione 2,3-Pentanedione Chocolate creamy 110-112 °C Vanillin Vanilla flavor 170° C 4-hydroxy-2,5-dimethyl-3 (2H)-furanone 4-Hydroxy-2, 5-dimethyl- 3(2H)-furanone (Furaneol) Sweet, toasted, breaded, cooked and fruity and caramel aromas 188 °C Damascenone Roses and plums, Pomelo, Raspberry 60°C bran (base) thiol 2-Furfurylthiol Roasted (meat, Tobacco) taste 155°C 3-Methyl-2-buten-1-thiol 3-Methyl-2-buten-1-thiol amine taste (similar to fish taste) 127°C 2-Isobutyl-3-methoxypyrazine earthy taste 176°C o-methoxyphenol Guaiacol spicy taste 205 °C

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 。